List of gravitational wave observations

This page contains a list of observed and candidate gravitational wave events.

Origin and nomenclature

Direct observation of gravitational waves, which commenced with the detection of an event by LIGO in 2015,^[1] plays a key role in gravitational wave astronomy. LIGO has been involved in all subsequent detections to date, with Virgo joining in August 2017.^[2]

Joint observation runs of LIGO and Virgo, designated "O1, O2, etc." span many months, with months of maintenance and upgrades in-between designed to increase the instruments sensitivity and range. Within these run periods, the instruments are capable of detecting gravitational waves.

The first run, O1, ran from September 12, 2015, to January 19, 2016, and succeeded in its first gravitational wave detection. O2 ran for a greater duration, from November 30, 2016, to August 25, 2017.^[3] O3 began on April 1, 2019. The observing run was split in two, designated "O3a" and "O3b" with the first part suspended on September 30, 2019, for maintenance and upgrades. O3b began on November 1, 2019. Due to the COVID-19 pandemic^[4] O3 was forced to end prematurely.^[5] The early end meant that KAGRA did not have chance to participate in joint observations with LIGO and Virgo, so a short joint run was done in partnership with GEO. This run was designated "O3GK", and did not result in any additional detections.^[6]

O4 began on May 24, 2023; initially planned for March, the project needed more time to stabilize the instruments. The fourth observing run was divided into three parts, designated "O4a", "O4b", and "O4c". The run, initially planned to end after one year, was extended, following plans to make further upgrades for the O5 run.^[2]^[7] O4a started May 24, 2023 and ended January 16, 2024. O4b started April 10, 2024 and ended January 28, 2025 at 17:00 UTC. Unusually, O4c, followed directly from O4b, starting on January 28, 2025 at 17:00 UTC and concluded on November 18, 2025 at 16:00 UTC. There was a two month commissioning break from January to March 2024, and another from 1 April to a planned 11 June 2025, after which observations resumed. As of May 2025, O5 is planned to begin in late 2027. An intermediate six-month observing run has also been announced, expected to begin later summer/early fall of 2026. Updated observing plans are published on the official website.^[7]

Gravitational wave events are named starting with the prefix GW, while observations that trigger an event alert but have not (yet) been confirmed are named starting with the prefix S.^[8] Six digits then indicate the date of the event, with the two first digits representing the year, the two middle digits the month and two final digits the day of observation. This is similar to the systematic naming for other kinds of astronomical event observations, such as those of gamma-ray bursts.

Probable detections that are not confidently identified as gravitational wave events are designated LVT ("LIGO-Virgo trigger"). Known gravitational wave events come from the merger of two black holes (BH), two neutron stars (NS), or a black hole and a neutron star (BHNS).^[9]^[10] Some objects are in the mass gap (MG) between the largest predicted neutron star masses (Tolman–Oppenheimer–Volkoff limit) and the smallest known black holes.

List of gravitational wave events

Events from LIGO & Virgo
O1 & O2/2015-2017 events
Distance and mass for events up to O4 in 2023

Confirmed events by distance
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Initial objects by mass
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GW event and time (UTC)Template:Refn	Date published	Location area^{[n 1]} (deg²)	Signal to Noise Ratio (SNR)	Luminosity distance (Mpc)^{[n 2]}	Energy radiated/c² (M_☉) ^{[n 3]}	Chirp mass (M_☉) ^{[n 4]}	Effective spinTemplate:Refn	Primary		Secondary		Remnant			Notes	Ref.
GW event and time (UTC)Template:Refn	Date published	Location area^{[n 1]} (deg²)	Signal to Noise Ratio (SNR)	Luminosity distance (Mpc)^{[n 2]}	Energy radiated/c² (M_☉) ^{[n 3]}	Chirp mass (M_☉) ^{[n 4]}	Effective spinTemplate:Refn	Type	Mass (M_☉)	Type	Mass (M_☉)	Type	Mass (M_☉)	Spin Template:Refn	Notes	Ref.
GW150914 09:50:45	2016-02-11	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	BH Template:Refn	Template:Center	BH Template:Refn	Template:Center	Template:Center	Template:Center	Template:Center	First GW detection; first BH merger observed	^[11]^[12]^[13]
Template:Ill 09:54:43	2016-06-15	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Formerly candidate LVT151012; accepted as astrophysical since February 2019	^[14]^[15]^[16]
GW151226 03:38:53	2016-06-15	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[17]^[18]
GW170104 10:11:58	2017-06-01	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[19]^[20]
GW170608 02:01:16	2017-11-16	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Smallest BH progenitor masses to date	^[21]
GW170729 18:56:29	2018-11-30	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Largest progenitor masses until GW190521	^[15]
GW170809 08:28:21	2018-11-30	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[15]
GW170814 10:30:43	2017-09-27	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	First announced detection by three observatories; first polarization measurement	^[22]^[23]
GW170817 12:41:04	2017-10-16	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	HMNS-BH Template:Refn	≤ 2.8Template:Refn	Template:Center	First NS merger observed in GW; first detection of EM counterpart (GRB 170817A; AT 2017gfo); nearest event to date	^[24]^[25]^[26]
GW170818 02:25:09	2018-11-30	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[15]
GW170823 13:13:58	2018-11-30	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[15]
GW190403_051519 2019-04-03 05:15:19	2022-05-11	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[27]
GW190408_181802 2019-04-08 18:18:02	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190408an.	^[28]
GW190412 2019-04-12 05:30:44	2020-04-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	First possible observation of a merger of two black holes of very different masses. Originally designated S190412m.	^[29]^[30]
GW190413_052954 2019-04-13	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[28]
GW190413_134308 2019-04-13	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[28]
GW190421_213856 2019-04-21	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190421ar.	^[28]
GW190424_180648 2019-04-24 18:06:48	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[28]
GW190425 2019-04-25 08:18:05	2020-01-06	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center			Originally designated S190425z (z:26th trigger\|UTC day), this trigger was detected by a single LIGO instrument (of three LVC stations), and is considered by some scientists to have been confirmed as a binary neutron star merger.^[31] It was published in 2020 that a gamma-ray burst was detected (GRB 190425) ~0.5 seconds after the LIGO trigger, lasting 6 seconds and bearing similarities to GRB170817 (such as weakness [most power in sub-100 keV, or soft X-rays) bands], elevated energetic photon background levels [signal exceeding background by less than a factor of 2], and similar differences from other transients classified as short GRBs. Confidence was established for interpretation of a set of peaks through a control interval of only 2 days prior to the LIGO-Livingston trigger in INTEGRAL Electronic anticoincidence, could not be corroborated by other instruments and wasn't initially noted as a significant event. Non-detection in other instruments may be a consequence of an Earth-occulted source as the Fermi telescope attempted follow-up.^[32]	^[33]^[34]
GW190426_152155 2019-04-26 15:21:55	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center			The primary object, being between 3.4 and 9.6 solar masses, is either a black hole or an object in the mass gap. Originally designated S230426c.	^[28]
GW190426_190642 2019-04-26 19:06:42	2022-05-11	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[27]
GW190503_185404 2019-05-03 18:54:04	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230503bf.	^[28]
GW190512_180714 2019-05-12 18:07:14	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230512at.	^[28]
GW190513_205428 2019-05-13 20:54:28	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230513bm.	^[28]
GW190514_065416 2019-05-14 06:54:16	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[28]
GW190517_055101 2019-05-17 06:54:16	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190517h.	^[28]
GW190519_153544 2019-05-19 15:35:44	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190519bj.	^[28]
GW190521 2019-05-21 03:02:29	2020-09-02	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190521g. Largest progenitor masses to date.	^[35]^[36]
GW190521_074359 2019-05-21 07:43:59	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190521r.	^[28]
GW190527_092055 2019-05-27 09:20:55	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[28]
GW190602_175927 2019-06-02 17:59:27	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190602aq.	^[28]
GW190620_030421 2019-06-20 03:04:21	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[28]
GW190630_185205 2019-06-30 18:52:05	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190630ag.	^[28]
GW190701_203306 2019-07-01 20:33:06	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190701ah.	^[28]
GW190706_222641 2019-07-06 22:26:41	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190706ai.	^[28]
GW190707_093326 2019-07-07 09:33:26	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190707q.	^[28]
GW190708_232457 2019-07-08 23:24:57	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[28]
GW190719_215514 2019-07-09 21:55:14	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[28]
GW190720_000836 2019-07-20 00:08:36	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190720a.	^[28]
GW190725_174728 2019-07-25 17:47:28	2022-05-11	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[27]
GW190727_060333 2019-07-27 06:03:33	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190727h.	^[28]
GW190728_064510 2019-07-28 06:45:10	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190728q.	^[28]
GW190731_140936 2019-07-31 14:09:36	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[28]
GW190803_022701 2019-08-03 02:27:01	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[28]
GW190805_211137 2019-08-05 21:11:37	2022-05-11	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[27]
GW190814 2019-08-14 21:11:18	2020-06-23	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	No optical counterpart was discovered despite an extensive search of the probability region. The mass of the lighter component is estimated to be 2.6 times the mass of the Sun, placing it in the mass gap between neutron stars and black holes.^[37]	^[38]^[39]^[40]^[41]^[42] ^[43]^[44]^[45]^[46]
GW190828_063405 2019-08-28 06:34:05	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190828j.	^[28]
GW190828_065509 2019-08-28 06:55:09	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S190828l.	^[28]
GW190909_114149 2019-09-09 11:41:49	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[28]
GW190910_112807 2019-09-10 11:28:07	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[28]
GW190915_235702 2019-09-15 23:57:02	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230915ak.	^[28]
GW190916_200658 2019-09-16 20:06:58	2022-05-11	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[27]
GW190917_114630 2019-09-17 11:46:30	2022-05-11	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[27]
GW190924_021846 2019-09-24 02:18:46	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	The secondary component, being between 3.1 and 6.4 solar masses, is either a black hole or an object in the mass gap. Originally designated S230924h.	^[28]
GW190925_232845 2019-09-25 23:28:45	2022-05-11	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[27]
GW190926_050336 2019-09-26 05:03:36	2022-05-11	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[27]
GW190929_012149 2019-09-29 01:21:49	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[28]
GW190930_133541 2019-09-30 13:35:41	2020-10-27	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	The secondary component, being between 4.5 and 9.5 solar masses, is either a black hole or an object in the mass gap. Originally designated S190930s.	^[28]
GW191103 2019-11-03 01:25:49	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW191105 2019-11-05 14:35:21	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S191105e.	^[5]
GW191109 2019-11-09 01:07:17	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S191109d.	^[5]
GW191113 2019-11-13 07:17:53	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW191126 2019-11-26 11:52:59	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW191127 2019-11-27 05:02:27	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW191129 2019-11-29 13:40:29	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S191129u.	^[5]
GW191204_110529 2019-12-04 11:05:29	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW191204_171526 2019-12-04 17:15:26	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S191204r.	^[5]
GW191215 2019-12-15 22:30:52	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S191215w.	^[5]
GW191216 2019-12-16 21:33:38	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S191216ap.	^[5]
GW191219 2019-12-19 16:31:20	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	The event is unconfirmed due to difficulty accurately modelling the extreme mass ratio.	^[5]
GW191222 2019-12-22 03:35:37	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S191222n.	^[5]
GW191230 2019-12-30 18:04:58	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW200105 2020-01-05 16:24:26	2021-06-29	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	First event confirmed to be a black hole and neutron star merger. Originally designated S200105ae.	^[47]^[48]
GW200112 2020-01-12 15:58:38	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S200112r.	^[5]
GW200114 2020-01-14 02:08:08	2022-08-18	Template:Center		Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		Originally designated S200114f. The event was initially published as an unmodeled gravitational wave burst, and different studies have offered conflicting interpretations. One study suggested it was a nearby high-mass black hole merger with component masses of Template:Val and Template:Val M_sun which was poorly modeled because of its high mass.^[49] Another study interpreted it as a somewhat smaller black hole merger taking place at the same time as a detector glitch.^[50] Both studies conclude the signal is most likely a real event, and the latter model is included in the table.	^[49]^[50]
GW200115 2020-01-15 04:23:09	2021-06-29	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Second event confirmed to be a black hole and neutron star merger. Originally designated S200115j.	^[47]^[51]
GW200128 2020-01-28 02:20:11	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S200128d.	^[5]
GW200129 2020-01-29 06:54:58	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S200129m.	^[5]
GW200202 2020-02-02 15:43:12	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW200208_130117 2020-02-08 13:01:17	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S200208q.	^[5]
GW200208_222617 2020-02-08 22:26:17	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW200209 2020-02-09 08:54:52	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW200210 2020-02-10 09:22:54	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	The secondary component, being between 2.41 and 3.30 solar masses, is an object in the mass gap.	^[5]
GW200216 2020-02-16 22:08:04	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW200219 2020-02-19 09:44:15	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S200219ac.	^[5]
GW200220_061928 2020-02-20 06:19:28	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW200220_124850 2020-02-20 12:48:50	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW200224 2020-02-24 22:22:34	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S200224ca.	^[5]
GW200225 2020-02-25 06:04:21	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S200225q.	^[5]
GW200302 2020-03-02 01:58:11	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S200302c.	^[5]
GW200306 2020-03-06 09:37:14	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW200308 2020-03-08 17:36:09	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW200311 2020-03-11 11:58:53	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S200311bg.	^[5]
GW200316 2020-03-16 21:57:56	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S200316bj.	^[5]
GW200322 2020-03-22 09:11:33	2021-11-17	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center		^[5]
GW230518 2023-05-18 12:59:08	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230518h.	^[52]
GW230529 2023-05-29 18:15:00	2024-04-05	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230529ay. Was detected using only the LIGO Livingston detector. It provides strong support for the primary object to be within the mass gap.	^[53]^[52]
GW230601 2023-06-01 22:41:34	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230601bf.	^[52]
GW230605 2023-06-05 06:53:43	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230605o.	^[52]
GW230606 2023-06-06 00:43:05	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230606d.	^[52]
GW230608 2023-06-08 20:50:47	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230608as.	^[52]
GW230609 2023-06-09 06:49:58	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230609u.	^[52]
GW230624 2023-06-24 11:31:03	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230624av.	^[52]
GW230627 2023-06-27 01:53:37	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230627c.	^[52]
GW230628 2023-06-28 23:12:00	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230628ax.	^[52]
GW230630_125806 2023-06-30 12:58:06	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230630am.	^[52]
GW230630_234532 2023-06-30 23:45:32	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230630bq.	^[52]
GW230702 2023-07-02 18:54:53	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230702an.	^[52]
GW230704_021211 2023-07-04 02:12:11	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230704f.	^[52]
GW230704_212616 2023-07-04 21:26:16	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230704bd.	^[52]
GW230706 2023-07-06 10:43:33	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230706ah.	^[52]
GW230707 2023-07-07 12:40:47	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230707ai.	^[52]
GW230708_053705 2023-07-08 05:37:05	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230708t.	^[52]
GW230708_230935 2023-07-08 23:09:35	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230708cf.	^[52]
GW230709 2023-07-09 12:27:27	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230709bi.	^[52]
GW230712 2023-07-12 09:04:05	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230712aj.	^[52]
GW230723 2023-07-23 10:18:34	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230723ac.	^[52]
GW230726 2023-07-26 00:29:40	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230726a.	^[52]
GW230729 2023-07-29 08:23:17	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230729z.	^[52]
GW230731 2023-07-31 21:53:07	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230731an.	^[52]
GW230803 2023-08-03 03:34:12	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230803d.	^[52]
GW230805 2023-08-05 03:42:49	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230805x.	^[52]
GW230806 2023-08-06 20:40:41	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230806ak.	^[52]
GW230811 2023-08-11 03:21:16	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230811n.	^[52]
GW230814_061920 2023-08-14 06:19:20	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230814r.	^[52]
GW230814_230901 2023-08-14 23:09:01	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230814ah.	^[52]
GW230819 2023-08-19 17:19:10	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230819ax.	^[52]
GW230820 2023-08-20 21:25:15	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230820bq.	^[52]
GW230824 2023-08-24 03:30:47	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230824r.	^[52]
GW230825 2023-08-25 04:13:34	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230825k.	^[52]
GW230831 2023-08-31 01:54:14	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230831e.	^[52]
GW230904 2023-09-04 05:10:13	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230904n.	^[52]
GW230911 2023-09-11 19:53:24	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230911ae.	^[52]
GW230914 2023-09-14 11:14:01	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230914ak.	^[52]
GW230919 2023-09-19 21:57:12	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230919bj.	^[52]
GW230920 2023-09-20 07:11:24	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230920al.	^[52]
GW230922_020344 2023-09-22 02:03:44	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230922g.	^[52]
GW230922_040658 2023-09-22 04:06:58	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230922q.	^[52]
GW230924 2023-09-24 12:44:53	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230924an.	^[52]
GW230927_043729 2023-09-27 04:37:29	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230927l.	^[52]
GW230927_153832 2023-09-27 15:38:32	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230927be.	^[52]
GW230928 2023-09-28 21:58:27	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230928cb.	^[52]
GW230930 2023-09-30 11:07:30	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S230930al.	^[52]
GW231001 2023-10-01 14:02:20	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231001aq.	^[52]
GW231004 2023-10-04 23:23:46	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231004bq.	^[52]
GW231005_021030 2023-10-05 02:10:30	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231005j.	^[52]
GW231005_091549 2023-10-05 09:15:49	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231005ah.	^[52]
GW231008 2023-10-08 14:25:21	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231008ap.	^[52]
GW231014 2023-10-14 04:05:32	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231014r.	^[52]
GW231018 2023-10-18 23:30:37	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231018by.	^[52]
GW231020 2023-10-20 14:29:47	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231020ba.	^[52]
GW231028 2023-10-28 15:30:06	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231028bg.	^[52]
GW231029 2023-10-29 11:15:08	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231029y.	^[52]
GW231102 2023-11-02 07:17:36	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231102w.	^[52]
GW231104 2023-11-04 13:34:18	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231104ac.	^[52]
GW231108 2023-11-08 12:51:42	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231108u.	^[52]
GW231110 2023-11-10 04:03:20	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231110g.	^[52]
GW231113_122623 2023-11-13 12:26:23	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231113bb.	^[52]
GW231113_200417 2023-11-13 20:04:17	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231113bw.	^[52]
GW231114 2023-11-14 04:32:11	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231114n.	^[52]
GW231118_005626 2023-11-18 00:56:26	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231118d.	^[52]
GW231118_071402 2023-11-18 07:14:02	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231118ab.	^[52]
GW231118_090602 2023-11-18 09:06:02	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231118an.	^[52]
GW231119 2023-11-19 07:52:48	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231119u.	^[52]
GW231123 2023-11-23 13:54:30	2025-07-10	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231123cg. The most massive black hole merger detected as of July 2025	^[54]^[52]
GW231127 2023-11-27 16:53:00	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231127cg.	^[52]
GW231129 2023-11-29 08:17:45	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231129ac.	^[52]
GW231206_233134 2023-12-06 23:31:34	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231206ca.	^[52]
GW231206_233901 2023-12-06 23:39:01	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231206cc.	^[52]
GW231213 2023-12-13 11:14:17	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231213ap.	^[52]
GW231221 2023-12-21 13:50:41	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231221ax.	^[52]
GW231223_032836 2023-12-23 03:28:36	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231223j.	^[52]
GW231223_075055 2023-12-23 07:50:55	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231223aa.	^[52]
GW231223_202619 2023-12-23 20:26:19	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231223bg.	^[52]
GW231224 2023-12-24 02:43:21	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231224e.	^[52]
GW231226 2023-12-26 10:15:20	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231226av.	^[52]
GW231230 2023-12-30 17:01:16	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231230ar.	^[52]
GW231231 2023-12-31 15:40:16	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S231231ag.	^[52]
GW240104 2024-01-04 16:49:32	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S240104bl.	^[52]
GW240107 2024-01-07 01:32:15	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S240107b.	^[52]
GW240109 2024-01-09 05:04:31	2025-08-25	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S240109a.	^[52]
GW250114 2025-01-14 08:22:03	2025-09-10	Template:Center	Template:Center	Template:Center		Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Template:Center	Originally designated S250114ax.	^[55]

Candidate events and marginal detections

There is possible detection of nanohertz waves by observation of the timing of pulsars, but they have not been confirmed at the 5 sigma level of confidence, Template:As of.^[56]

Marginal detections from O1 and O2

In addition to well-constrained detections listed above, a number of low-significance detections of possible signals were made by LIGO and Virgo. Their characteristics are listed below, only including detections with a <50% chance of being noise:

Marginal event detections
Candidate event	Detection time (UTC)	Date published	Luminosity distance (Mpc)^{[n 5]}	Detector ^{[n 6]}	False alarm rate (year)	Effective spin	Primary		Secondary		Probability of terrestrial noise	Notes	Ref
Candidate event	Detection time (UTC)	Date published	Luminosity distance (Mpc)^{[n 5]}	Detector ^{[n 6]}	False alarm rate (year)	Effective spin	Type	Mass (M_☉)	Type	Mass (M_☉)	Probability of terrestrial noise	Notes	Ref
151205	2015-12-05 19:55:25	2019-10-11	Template:Val	H,L	0.61	Template:Val	Template:Center	Template:Val	Template:Center	Template:Val	0.47		^[57]
170121	2017-01-21 21:25:36	2019-04-15		H,L		Template:Val	Template:Center	Template:Val	Template:Center		<0.01		^[58]
170304	2017-03-04 16:37:53	2019-10-11	Template:Val	H,L	2.5	Template:Val	Template:Center	Template:Val	Template:Center	Template:Val	0.30		^[57]
170402	2017-04-02 21:51:50	2019-10-21		H,L							0.32		^[59]
170727	2017-07-27 01:04:30	2019-10-11	Template:Val	H,L	180	Template:Val	Template:Center	Template:Val	Template:Center	Template:Val	0.006		^[57]
170817A	2017-08-17 03:02:46	2019-10-21		H,L,V	11.5	Template:Val	Template:Center	Template:Val	Template:Center	Template:Val	0.14		^[59]

Observation candidates from O3/2019

From observation run O3/2019 on, observations are published as Open Public Alerts to facilitate multi-messenger observations of events.^[60]^[61]^[62] Candidate event records can be directly accessed at the Gravitational-Wave Candidate Event Database (GraceDB).^[63] On 1 April 2019, the start of the third observation run was announced with a circular published in the public alerts tracker.^[64] The first O3/2019 binary black hole detection alert was broadcast on 8 April 2019. A significant percentage of O3 candidate events detected by LIGO are accompanied by corresponding triggers at Virgo.

False alarm rates are mixed, with more than half of events assigned false alarm rates greater than 1 per 20 years, contingent on presence of glitches around signal, foreground electromagnetic instability, seismic activity, and operational status of any one of the three LIGO-Virgo instruments. For instance, events S190421ar and S190425z weren't detected by Virgo and LIGO's Hanford site, respectively.

The LIGO/Virgo collaboration took a short break from observing during the month of October 2019 to improve performance and prepare for future plans, with no signals detected in that month as a result.^[65]

The Kamioka Gravitational Wave Detector (KAGRA) in Japan became operational on 25 February 2020,^[66] likely improving the detection and localization of future gravitational wave signals.^[67] However, KAGRA does not report their signals in real-time on GraceDB as LIGO and Virgo do, so the results of their observation run will likely not be published until the end of O3.

The LIGO-Virgo collaboration ended the O3 run early on March 27, 2020, due to health concerns from the COVID-19 pandemic.^[68]^[69]

Candidate detections from O3 by month
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O3 detections by distance
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Template:Clear Template:Center

GW event	Detection time (UTC)	Location area^{[n 7]} (deg²)	Luminosity distance (Mpc)^{[n 8]}	Detector ^{[n 9]}	False alarm Rate (Hz)	False alarm chance in O3^{[n 10]}	Classification					Notes	Ref
GW event	Detection time (UTC)	Location area^{[n 7]} (deg²)	Luminosity distance (Mpc)^{[n 8]}	Detector ^{[n 9]}	False alarm Rate (Hz)	False alarm chance in O3^{[n 10]}	NS / NS ^{[n 11]}	NS / BH ^{[n 12]}	BH / BH ^{[n 13]}	Mass gap ^{[n 14]}	Terrestrial ^{[n 15]}	Notes	Ref
S190901ap	2019-09-01 23:31:01	Template:Center	Template:Center	L,V	Template:Sort	0.181	0.861	0.0	0.0	0.0	0.139		^[70]
S190910d	2019-09-10 01:26:19	Template:Center	Template:Center	H,L	Template:Sort	0.100	0.0	0.976	0.0	0.0	0.024		^[71]
S190910h	2019-09-10 08:29:58	Template:Center	Template:Center	L	Template:Sort	0.642	0.612	0.0	0.0	0.0	0.388	Detected by only the Livingston detector, resulting in a bad sky localization.	^[72]
S190923y	2019-09-23 12:55:59	Template:Center	Template:Center	H,L	Template:Sort	0.746	0.0	0.677	0.0	0.0	0.322		^[73]
S190930t	2019-09-30 14:34:07	Template:Center	Template:Center	L	Template:Sort	0.348	0.0	0.743	0.0	0.0	0.257	Detected by only the Livingston detector, resulting in a bad sky localization; last detection of the O3a run.	^[74]
S191205ah	2019-12-05 21:52:08	Template:Center	Template:Center	H,L,V	Template:Sort	0.290	0.0	0.932	0.0	0.0	0.068		^[75]
S191213g	2019-12-13 04:34:08	Template:Center	Template:Center	H,L,V	Template:Sort	0.631	0.768	0.0	0.0	0.0	0.232		^[76]
S200213t	2020-02-13 04:10:40	Template:Center	Template:Center	H,L,V	Template:Sort	0.401	0.629	0.0	0.0	0.0	0.371		^[77]

Observation candidates from O4/2023

On 15 June 2022, LIGO announced to start the O4 observing run in March 2023.^[78] As the date got closer, engineering challenges delayed the observing run to May 2023.^[79] An engineering run to assess the sensitivity of LIGO, Virgo, and KAGRA began in April, with the Hanford detector's first operations beginning on April 29,^[80] and the Livingston and Virgo detectors' first operations beginning on May 5.^[81]

On March 7, 2023, a gamma-ray burst compatible with a neutron star merger was detected by the Fermi telescope and named GRB 230307A. The burst, identified as being from a host galaxy approximately 296 Mpc away, would likely have only been marginally detected at best by LIGO if it had been operating at the time, as the detectors would only later achieve a sensitivity of 160 Mpc for neutron star mergers by O4's beginning, 3 months later.

Near the end of the engineering run on 15 May 2023, LIGO announced that O4 would be beginning on 24 May 2023, running for 20 months with up to 2 months of maintenance. The LIGO detectors initially failed to achieve the hoped for 160–190 Mpc sensitivity for neutron star mergers, but did achieve an improved 130–150 Mpc sensitivity over O3's 100–140 Mpc, later improving to nearly 160 Mpc for both detectors by late 2023. Virgo was found to have both a damaged mirror and other new, unknown noise sources, limiting its sensitivity to just 31–35 Mpc (similar to its performance during O2 in 2017, and lower than O3's 40–50 Mpc.) As a result, Virgo spent most of 2023 in commissioning, with a deadline of March 2024 to improve its sensitivity before joining O4. KAGRA achieved its planned 1 Mpc sensitivity before returning to commissioning in July, with plans to rejoin at an improved 10 Mpc sensitivity by early 2024. However, the Template:M7.5 2024 Noto earthquake occurred on 1 January 2024 only Template:Convert from KAGRA, damaging the detector's sensitive instruments and delaying its development by at least several months.

On 18 May 2023, near the end of the engineering run and shortly before O4 proper, the first candidate gravitational wave event was detected. Four more were detected before the official beginning of the run. In October, LIGO announced a planned pause between January and March 2024, for a mid-run commissioning break intended to reduce noise and improve the uptime of the detectors.

The O4b run began in April 2024 with the addition of the Virgo detector at a sensitivity of 55 Mpc. The Livingston detector achieved an increased sensitivity of 170-175 Mpc, while the Hanford detector maintained its pre-break sensitivity of 155–160 Mpc. Due to a variety of factors including delays in technologies required for O5, the decision was made in June 2024 to extend O4 by several months to June 2025, with O5 expected to begin in late 2027 or early 2028.

Candidate detections from O4 by month^{[n 16]}
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O4 detections by distance^{[n 16]}
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Template:Clear Template:Center

GW event	Detection time (UTC)	Location area^{[n 17]} (deg²)	Luminosity distance (Mpc)^{[n 18]}	Detector ^{[n 19]}	False Alarm Rate (Hz)	False Alarm chance in O4^{[n 20]} ^{[n 16]}	Classification					Notes	Ref
GW event	Detection time (UTC)	Location area^{[n 17]} (deg²)	Luminosity distance (Mpc)^{[n 18]}	Detector ^{[n 19]}	False Alarm Rate (Hz)	False Alarm chance in O4^{[n 20]} ^{[n 16]}	NS / NS ^{[n 21]}	NS / BH ^{[n 22]}	BH / BH ^{[n 23]}	Mass gap ^{[n 24]}	Terrestrial ^{[n 25]}	Notes	Ref
S230520ae	2023-05-20 22:48:41	Template:Center	Template:Center	H,L	Template:Sort	0.161	0.0	0.0	Template:Sort	0.0	1.4e−7	Detected during the engineering phase, before the official start of O4.	^[82]
S230522a	2023-05-22 09:38:04	Template:Center	Template:Center	L	Template:Sort	0.448	0.0	0.0	0.99973	0.00071	0.00027		^[83]
S230522n	2023-05-22 15:30:32	Template:Center	Template:Center	L	Template:Sort	0.311	0.0	0.0	0.993	0.0041	0.0069		^[84]
S230708z	2023-07-08 07:18:59	Template:Center	Template:Center	H,L	Template:Sort	0.982	0.0	0.0	0.954	0.0041	0.046		^[85]
S230802aq	2023-08-02 11:33:59	Template:Center	Template:Center	H	Template:Sort	0.722	0.0	0.020	0.289	0.657	0.035	The other component is a black hole. Detected by only the Hanford detector, resulting in a bad sky localization.	^[86]
S230807f	2023-08-07 20:50:45	Template:Center	Template:Center	H,L	Template:Sort	0.983	0.0	0.0	0.913	0.041	0.047		^[87]
S230822bm	2023-08-22 23:03:37	Template:Center	Template:Center	H,L	Template:Sort	0.773	0.0	0.0	0.939	0.042	0.019		^[88]
S231020bw	2023-10-20 18:05:09	Template:Center	Template:Center	H,L	Template:Sort	0.020	0.0	0.0	0.99965	0.0	0.00035		^[89]
S240406aj	2024-04-06 06:28:47	Template:Center	Template:Center	H,L	Template:Sort	8.9 10⁻⁸	0.0	0.0	Template:Sort	0.0	9.2e−9		^[90]
S240413p	2024-04-13 02:20:19	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.584	0.400	0.020		^[91]
S240420ax	2024-04-20 04:21:16	Template:Center	Template:Center	H,L	Template:Sort	0.961	0.0	0.0	0.0	0.0	Template:Sort	Unidentified gravitational wave "burst" lasting 33 milliseconds at a frequency of 219 Hertz.	^[92]
S240422ed	2024-04-22 21:35:13	Template:Center	Template:Center	H,L,V	Template:Sort	1.8 10⁻⁵	0.0	0.541	0.0	0.459	1.3e−5		^[93]
S240426s	2024-04-26 03:14:51	Template:Center	Template:Center	H,L	Template:Sort	0.354	0.0	0.0	0.968	0.030	0.00191		^[94]
S240428dr	2024-04-28 22:54:40	Template:Center	Template:Center	H,V	Template:Sort	1.2 10⁻⁶	0.0	0.0	Template:Sort	0.0	7.4e−8		^[95]
S240430ca	2024-04-30 09:35:17	Template:Center	Template:Center	H,L	Template:Sort	0.986	0.0	0.0	0.920	0.041	0.039		^[96]
S240501an	2024-05-01 03:35:34	Template:Center	Template:Center	H,L,V	Template:Sort	0.024	0.0	0.0	0.99999	0.0	1.3e−5		^[97]
S240505av	2024-05-05 13:35:52	Template:Center	Template:Center	H,L,V	Template:Sort	0.731	0.0	0.0	0.985	0.0	0.015		^[98]
S240507p	2024-05-07 04:16:32	Template:Center	Template:Center	H,L,V	Template:Sort	0.036	0.0	0.0	0.963	0.036	0.00031		^[99]
S240511i	2024-05-11 03:15:07	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.99998	0.0	1.7e−5		^[100]
S240512r	2024-05-12 02:41:39	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.020	0.958	0.020	0.0017		^[101]
S240513ei	2024-05-13 18:33:02	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.99973	0.0	0.00027		^[102]
S240514c	2024-05-14 08:03:21	Template:Center	Template:Center	L	Template:Sort	0.425	0.0	0.0	0.9932	0.0	0.0064	Detected by only the Livingston detector, resulting in a bad sky localization.	^[103]
S240514x	2024-05-14 12:17:13	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.99998	0.0	1.8e−5		^[104]
S240515m	2024-05-15 00:53:01	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	4.3e−14		^[105]
S240520cv	2024-05-20 21:36:16	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.030	0.921	0.047	0.0018		^[106]
S240525p	2024-05-25 03:12:10	Template:Center	Template:Center	H,L,V	Template:Sort	0.619	0.0	0.0	0.902	0.086	0.012		^[107]
S240527en	2024-05-27 18:34:29	Template:Center	Template:Center	H,L,V	Template:Sort	0.135	0.0	0.00090	0.99907	0.0	2.7e−5		^[108]
S240527fv	2024-05-27 23:09:10	Template:Center	Template:Center	H,L,V	Template:Sort	0.559	0.0	0.0	0.987	0.0036	0.0096		^[109]
S240530a	2024-05-30 01:24:17	Template:Center	Template:Center	H,L,V	Template:Sort	0.053	0.0	0.0	0.910	0.085	0.0048		^[110]
S240531bp	2024-05-31 07:52:48	Template:Center	Template:Center	H,L,V	Template:Sort	0.00022	0.0	0.0	0.99999	0.0	6.5e−6		^[111]
S240601aj	2024-06-01 06:12:00	Template:Center	Template:Center	H,L	Template:Sort	0.829	0.0	0.0	0.507	0.0	0.493		^[112]
S240601co	2024-06-01 23:10:04	Template:Center	Template:Center	H,L,V	Template:Sort	0.0034	0.0	0.0	0.928	0.072	0.00023		^[113]
S240615dg	2024-06-15 11:36:20	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.99998	0.0	1.7e−5		^[114]
S240615ea	2024-06-15 16:07:35	Template:Center	Template:Center	H,L,V	Template:Sort	0.582	0.0	0.0	0.99938	0.0	0.00062		^[115]
S240618ah	2024-06-18 07:16:27	Template:Center	Template:Center	H,L	Template:Sort	0.976	0.0	0.0	0.921	0.041	0.038		^[116]
S240621dy	2024-06-21 19:50:59	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	0.0		^[117]
S240621eb	2024-06-21 20:09:35	Template:Center	Template:Center	H,L,V	Template:Sort	0.916	0.0	0.0	0.9987	0.0	0.0013		^[118]
S240621em	2024-06-21 21:40:41	Template:Center	Template:Center	H,L,V	Template:Sort	0.979	0.0	0.0	0.920	0.041	0.039		^[119]
S240622h	2024-06-22 00:40:48	Template:Center	Template:Center	H,L,V	Template:Sort	0.499	0.0	0.0	0.974	0.011	0.015		^[120]
S240627by	2024-06-27 13:16:22	Template:Center	Template:Center	H,L,V	Template:Sort	0.500	0.0	0.0	0.911	0.080	0.0084		^[121]
S240629by	2024-06-29 14:52:56	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.073	0.798	0.127	0.0015		^[122]
S240630t	2024-06-30 10:17:03	Template:Center	Template:Center	H,L,V	Template:Sort	0.00011	0.0	0.0	Template:Sort	0.0	3.3e−6		^[123]
S240703ad	2024-07-03 19:13:55	Template:Center	Template:Center	H,V	Template:Sort	6.8 10⁻⁶	0.0	0.0	Template:Sort	0.0	2.8e−7		^[124]
S240705at	2024-07-05 05:32:15	Template:Center	Template:Center	H,L,V	Template:Sort	3.8 10⁻⁸	0.0	0.0	Template:Sort	0.0	0.0		^[125]
S240716b	2024-07-16 03:49:00	Template:Center	Template:Center	L,V	Template:Sort	4.5 10⁻⁸	0.0	0.0	Template:Sort	0.0	3.6e−9		^[126]
S240807h	2024-08-07 21:45:59	Template:Center	Template:Center	L,V	Template:Sort	0.0012	0.0	0.00010	0.956	0.044	3.2e−5		^[127]
S240813c	2024-08-13 03:45:48	Template:Center	Template:Center	L,V	Template:Sort	0.139	0.0	0.0	0.909	0.089	0.0022		^[128]
S240813d	2024-08-13 04:39:13	Template:Center	Template:Center	L,V	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	1.2e−11		^[129]
S240825ar	2024-08-25 05:51:46	Template:Center	Template:Center	H,L,V	Template:Sort	0.166	0.0	0.025	0.930	0.036	0.0091		^[130]
S240830gn	2024-08-30 21:11:20	Template:Center	Template:Center	H,L,V	Template:Sort	0.036	0.0	0.105	0.891	0.084	0.0031		^[131]
S240902bq	2024-09-02 14:33:06	Template:Center	Template:Center	H,L,V	Template:Sort	0.135	0.0	0.0	0.99990	0.0	9.94e−5		^[132]
S240907cg	2024-09-07 15:38:33	Template:Center	Template:Center	H,L,V	Template:Sort	0.051	0.0	0.0	0.99914	0.0	0.00086		^[133]
S240908bs	2024-09-08 08:26:28	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.997	0.0031	1.4e−5		^[134]
S240908dg	2024-09-08 12:51:34	Template:Center	Template:Center	H,L,V	Template:Sort	0.984	0.0	0.0	0.910	0.041	0.050		^[135]
S240910ci	2024-09-10 10:35:35	Template:Center	Template:Center	H,L	Template:Sort	0.018	0.0	0.280	0.628	0.090	0.0015		^[136]
S240915b	2024-09-15 00:13:57	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.121	0.745	0.132	0.0015		^[137]
S240915bd	2024-09-15 10:51:51	Template:Center	Template:Center	H,V	Template:Sort	1.9 10⁻⁶	0.0	0.00037	0.899	0.101	1.2e−7		^[138]
S240917cb	2024-09-17 13:02:37	Template:Center	Template:Center	H,L	Template:Sort	0.955	0.0	0.0	0.903	0.057	0.040		^[139]
S240919bn	2024-09-19 06:15:59	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	0.0		^[140]
S240920bz	2024-09-20 07:34:24	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.99972	0.0	0.00028		^[141]
S240920dw	2024-09-20 12:40:24	Template:Center	Template:Center	H,L	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	0.0		^[142]
S240921cw	2024-09-21 20:18:35	Template:Center	Template:Center	L,V	Template:Sort	0.045	0.0	0.0	0.997	0.0025	0.00078		^[143]
S240922df	2024-09-22 14:21:06	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	0.965	0.035	0.0		^[144]
S240923ct	2024-09-23 20:40:06	Template:Center	Template:Center	H,L,V	Template:Sort	4.5 10⁻⁸	0.0	0.0	Template:Sort	0.0	2.9e−9		^[145]
S240924a	2024-09-24 00:03:16	Template:Center	Template:Center	H,L,V	Template:Sort	0.132	0.0	0.0	0.99993	0.0	7.1e−5		^[146]
S240925n	2024-09-25 00:58:59	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	0.742	0.258	0.0		^[147]
S240930aa	2024-09-30 00:58:59	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	0.99960	0.00040	1.7e−12		^[148]
S240930du	2024-09-30 23:46:14	Template:Center	Template:Center	H,L	Template:Sort	0.521	0.0	0.0	0.666	0.0	0.334		^[149]
S241002e	2024-10-02 03:05:59	Template:Center	Template:Center	L,V	Template:Sort	0.0	0.0	0.0	0.997	0.003	1.05e−14		^[150]
S241006k	2024-10-06 01:53:33	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	0.0		^[151]
S241007bw	2024-10-07 08:29:43	Template:Center	Template:Center	H,L,V	Template:Sort	0.611	0.0	0.0	0.988	0.0	0.012		^[152]
S241009l	2024-10-09 02:28:35	Template:Center	Template:Center	H,L,V	Template:Sort	0.851	0.0	0.0	0.971	0.004	0.025		^[153]
S241009an	2024-10-09 08:48:16	Template:Center	Template:Center	H,L,V	Template:Sort	0.00011	0.0	0.0	0.982	0.017	2.9e−6		^[154]
S241009em	2024-10-09 22:04:55	Template:Center	Template:Center	H,L,V	Template:Sort	0.149	0.0	0.0	0.998	0.0	0.0025		^[155]
S241011k	2024-10-11 23:38:34	Template:Center	Template:Center	H,V	Template:Sort	0.0	0.0	0.00022	0.967	0.033	1.1e−16		^[156]
S241101ee	2024-11-01 22:05:23	Template:Center	Template:Center	L,V	Template:Sort	0.00079	0.0	0.0	0.99998	0.0	2.0e−5		^[157]
S241102br	2024-11-02 12:40:58	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0067	0.850	0.144	1.1e−16		^[158]
S241102cy	2024-11-02 14:47:29	Template:Center	Template:Center	H,L,V	Template:Sort	0.582	0.0	0.0	0.999	0.0	0.0011		^[159]
S241109p	2024-11-09 03:33:17	Template:Center	Template:Center	L,V	Template:Sort	0.0035	0.0	0.0	0.99992	0.0	8.3e−5		^[160]
S241109bn	2024-11-09 11:59:24	Template:Center	Template:Center	H,V	Template:Sort	0.00082	0.0	0.121	0.047	0.830	0.0026	The other component is a black hole.	^[161]
S241110br	2024-11-10 12:41:23	Template:Center	Template:Center	H,L,V	Template:Sort	0.236	0.0	0.0	0.942	0.054	0.0038		^[162]
S241111bn	2024-11-11 11:15:52	Template:Center	Template:Center	H,L	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	0.0		^[163]
S241113p	2024-11-13 16:35:07	Template:Center	Template:Center	L,V	Template:Sort	8.4 10⁻⁷	0.0	0.0	Template:Sort	0.0	4.0e−8		^[164]
S241114y	2024-11-14 02:47:11	Template:Center	Template:Center	H,L,V	Template:Sort	5.2 10⁻⁶	0.0	0.0	Template:Sort	0.0	2.4e−7		^[165]
S241114bi	2024-11-14 23:52:58	Template:Center	Template:Center	L,V	Template:Sort	1.0 10⁻⁵	0.0	0.00049	0.943	0.056	4.2e−7		^[166]
S241116cq	2024-11-16 15:17:53	Template:Center	Template:Center	H,L,V	Template:Sort	0.330	0.0	0.0	0.99992	0.0	8.3e−5		^[167]
S241122a	2024-11-22 17:51:00	Template:Center	Template:Center	L	Template:Sort	0.975	0.0	0.0	0.955	0.0	0.045	Detected by only the Livingston detector, resulting in a bad sky localization.	^[168]
S241125n	2024-11-25 01:01:16	Template:Center	Template:Center	H,L,V	Template:Sort	0.053	0.0	0.0	0.99999	0.0	1.1e−5		^[169]
S241127aj	2024-11-27 06:10:08	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	0.0		^[170]
S241129aa	2024-11-29 02:18:32	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	0.993	0.006	0.0		^[171]
S241130n	2024-11-30 03:49:08	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	0.0		^[172]
S241130be	2024-11-30 11:04:22	Template:Center	Template:Center	H,L,V	Template:Sort	0.011	0.0	0.0	0.963	0.037	0.00063		^[173]
S241201ac	2024-12-01 05:57:58	Template:Center	Template:Center	H,L,V	Template:Sort	0.917	0.0	0.0	0.926	0.041	0.033		^[174]
S241210d	2024-12-10 02:33:35	Template:Center	Template:Center	H,L	Template:Sort	0.920	0.0	0.0	0.926	0.041	0.033		^[175]
S241210cw	2024-12-10 06:06:06	Template:Center	Template:Center	H,L,V	Template:Sort	0.036	0.0	0.0	0.99995	0.0	5.1e−5		^[176]
S241210fu	2024-12-10 12:09:00	Template:Center	Template:Center	H,L	Template:Sort	0.791	0.0	0.0	0.978	0.0014	0.021		^[177]
S241225c	2024-12-25 04:25:53	Template:Center	Template:Center	L,V	Template:Sort	1.1 10⁻⁷	0.0	0.0	0.964	0.036	8.0e−9		^[178]
S241225v	2024-12-25 08:28:15	Template:Center	Template:Center	H,L	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	1.5e−14		^[179]
S241230bd	2024-12-30 08:45:04	Template:Center	Template:Center	L,V	Template:Sort	3.6 10⁻⁶	0.0	0.0	Template:Sort	0.0	1.6e−7		^[180]
S241230ev	2024-12-30 23:36:18	Template:Center	Template:Center	H,L,V	Template:Sort	0.717	0.0	0.0	0.984	0.0	0.016		^[181]
S241231bg	2024-12-31 05:41:33	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.931	0.067	0.0015		^[182]
S250101k	2025-01-01 01:12:05	Template:Center	Template:Center	H,L,V	Template:Sort	0.959	0.0	0.079	0.882	0.0	0.039		^[183]
S250104v	2025-01-04 01:51:22	Template:Center	Template:Center	H,L,V	Template:Sort	5.5 10⁻⁵	0.0	0.0	Template:Sort	0.0	1.7e−6		^[184]
S250108eo	2025-01-08 15:22:21	Template:Center	Template:Center	H,L,V	Template:Sort	0.0010	0.0	0.0	0.99997	0.0	2.6e−5		^[185]
S250109f	2025-01-09 01:05:41	Template:Center	Template:Center	H,L,V	Template:Sort	0.00017	0.0	0.0	Template:Sort	0.0	4.4e−6		^[186]
S250109bi	2025-01-09 07:45:52	Template:Center	Template:Center	H,V	Template:Sort	0.692	0.0	0.0	0.985	0.0	0.015		^[187]
S250118t	2025-01-18 02:32:25	Template:Center	Template:Center	H,L,V	Template:Sort	0.023	0.0	0.0	0.961	0.039	0.00039		^[188]
S250118az	2025-01-18 05:58:02	Template:Center	Template:Center	H,L,V	Template:Sort	0.430	0.0	0.00065	0.807	0.185	0.0073		^[189]
S250118dp	2025-01-18 17:05:23	Template:Center	Template:Center	H,L	Template:Sort	0.0	0.0	0.0	0.994	0.0063	0.0		^[190]
S250119ag	2025-01-19 02:51:38	Template:Center	Template:Center	H,L,V	Template:Sort	1.9 10⁻⁵	0.0	0.0	Template:Sort	0.0	1.5e−6		^[191]
S250119cv	2025-01-19 19:02:38	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	0.0		^[192]
S250202cu	2025-02-02 18:49:02	Template:Center	Template:Center	H,L	Template:Sort	0.568	0.0	0.0	0.948	0.042	0.0099		^[193]
S250204ax	2025-02-04 05:52:59	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.99974	0.0	0.00026		^[194]
S250205bk	2025-02-05 10:35:41	Template:Center	Template:Center	H,L,V	Template:Sort	0.053	0.0	0.014	0.970	0.00815	0.0072		^[195]
S250205ee	2025-02-05 21:52:15	Template:Center	Template:Center	H,L	Template:Sort	0.100	0.0	0.0	0.998	0.0	0.0017		^[196]
S250206dm	2025-02-06 21:25:30	Template:Center	Template:Center	H,L	Template:Sort	0.070	0.143	0.211	0.0	0.568	0.077	The other component is a neutron star.	^[197]
S250207bg	2025-02-07 11:56:45	Template:Center	Template:Center	L,V	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	0.0		^[198]
S250208ad	2025-02-08 03:51:06	Template:Center	Template:Center	H,L,V	Template:Sort	0.021	0.0	0.0	0.99956	0.0	0.00044		^[199]
S250211aa	2025-02-11 02:25:46	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	0.990	0.010	3.2e−11		^[200]
S250211be	2025-02-11 04:35:43	Template:Center	Template:Center	H,L,V	Template:Sort	0.641	0.0	0.0	0.987	0.0	0.013		^[201]
S250226dl	2025-02-26 22:48:38	Template:Center	Template:Center	H,L	Template:Sort	6.7 10⁻⁵	0.0	0.0	Template:Sort	0.0	2.4e−5		^[202]
S250227e	2025-02-27 00:13:02	Template:Center	Template:Center	H,L,V	Template:Sort	0.00015	0.0	0.0	Template:Sort	0.0	4.0e−6		^[203]
S250304cb	2025-03-04 06:22:45	Template:Center	Template:Center	H,L,V	Template:Sort	0.960	0.0	0.0	0.944	0.018	0.038		^[204]
S250319bu	2025-03-19 06:25:36	Template:Center	Template:Center	H,L,V	Template:Sort	0.027	0.0	0.0	0.99954	0.0	0.00046		^[205]
S250326y	2025-03-26 01:54:06	Template:Center	Template:Center	H,L,V	Template:Sort	0.00020	0.0	0.0	Template:Sort	0.0	6.2e−6		^[206]
S250328ae	2025-03-28 05:40:27	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.934	0.065	0.00151		^[207]
S250331o	2025-03-31 01:34:48	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.99972	0.0	0.00028		^[208]
S250628am	2025-06-28 18:23:19	Template:Center	Template:Center	H,L,V	Template:Sort	9.7 10⁻⁷	0.0	0.0	Template:Sort	0.0	4.6e−8		^[209]
S250629ae	2025-06-29 05:50:36	Template:Center	Template:Center	H,L,V	Template:Sort	0.844	0.0	0.0	0.978	0.0	0.022		^[210]
S250629bs	2025-06-29 12:13:04	Template:Center	Template:Center	H,L	Template:Sort	0.917	0.0	0.0	0.940	0.0	0.060		^[211]
S250701bp	2025-07-01 20:34:40	Template:Center	Template:Center	L	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	1.8e−10	Detected by only the Livingston detector, resulting in a bad sky localization. Chirp mass 99.98% likely to be between 22 and 44 Solar masses.	^[212]
S250701bq	2025-07-01 23:17:46	Template:Center	Template:Center	L	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	2.2e−10	Detected by only the Livingston detector, resulting in a bad sky localization. Chirp mass 93.7% likely to be between 11 and 22 Solar masses.	^[213]
S250702n	2025-07-02 13:32:00	Template:Center	Template:Center	H,L	Template:Sort	0.633	0.0	0.0	0.989	0.0	0.011	Chirp mass 89.3% likely to be between 22 and 44 Solar masses (11-22 10.7%)	^[214]
S250704ab	2025-07-04 04:30:48	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.149	0.824	0.144	0.0020	Chirp mass 99.999% likely to be between 5.5 and 11 Solar masses	^[215]
S250705cb	2025-07-05 16:29:56	Template:Center	Template:Center	H,L,V	Template:Sort	0.050	0.0	0.0	0.995	0.0	0.0054	Chirp mass 86.2% likely to be between 5.5 and 11 Solar masses (11-22 13.6%)	^[216]
S250711q	2025-07-11 03:27:25	Template:Center	Template:Center	H,L,V	Template:Sort	0.086	0.0	0.0	0.9986	0.0	0.0014	Chirp mass 59.0% likely to be between 22 and 44 Solar masses (44-88 41.0%)	^[217]
S250712cd	2025-07-12 14:25:32	Template:Center	Template:Center	H,L,V	Template:Sort	0.0015	0.0	0.0	0.99989	0.0	0.00011	Chirp mass 99.87% likely to be between 22 and 44 Solar masses	^[218]
S250725j	2025-07-25 04:09:44	Template:Center	Template:Center	H,L,V	Template:Sort	0.0024	0.0	0.0	0.99995	0.0	5.3e−5	Chirp mass 99.98% likely to be between 11 and 22 Solar masses	^[219]
S250725l	2025-07-25 04:20:50	Template:Center	Template:Center	H,L,V	Template:Sort	0.819	0.0	0.0	0.985	0.00062	0.015	Chirp mass 98.9% likely to be between 11 and 22 Solar masses	^[220]
S250726ak	2025-07-26 08:28:15	Template:Center	Template:Center	H,L,V	Template:Sort	0.00027	0.0	0.0	0.99998	0.0	2.3e−5	Chirp mass 99.2% likely to be between 22 and 44 Solar masses	^[221]
S250727cl	2025-07-27 18:03:29	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	0.0	Chirp mass 74.2% likely to be between 22 and 44 Solar masses (11-22 25.8%)	^[222]
S250727dc	2025-07-27 20:01:48	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	0.0	Template:Sort	0.0	8.2e−12	Chirp mass 99.999% likely to be between 22 and 44 Solar masses	^[223]
S250802dn	2025-08-02 20:25:12	Template:Center	Template:Center	H,L	Template:Sort	0.957	0.0	0.0	0.927	0.0	0.073	Chirp mass 91.1% likely to be between 22 and 44 Solar masses	^[224]
S250810ck	2025-08-10 14:23:57	Template:Center	Template:Center	H,V	Template:Sort	0.0	0.0	0.00053	0.905	0.094	4.4e−13	Chirp mass 100% likely to be between 5.5 and 11 Solar masses	^[225]
S250813k	2025-08-13 02:12:00	Template:Center	Template:Center	H,L,V	Template:Sort	0.0072	0.0	0.0	0.997	0.0	0.0029	Chirp mass 99.993% likely to be between 22 and 44 Solar masses	^[226]
S250818t	2025-08-18 02:08:58	Template:Center	Template:Center	H,L,V	Template:Sort	0.00099	0.0	0.0	0.983	0.0174	7.4e−5	Chirp mass 54.0% likely to be between 5.5 and 11 Solar masses (11-22 46.0%)	^[227]
S250827l	2025-08-27 01:27:57	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.99998	0.0	2.0e−5	Chirp mass 87.8% likely to be between 22 and 44 Solar masses (11-22 12.2%)	^[228]
S250827fo	2025-08-27 22:29:40	Template:Center	Template:Center	H,L,V	Template:Sort	0.0013	0.0	0.0	0.943	0.057	9.2e−5	Chirp mass 92.5% likely to be between 5.5 and 11 Solar masses	^[229]
S250830m	2025-08-30 03:27:09	Template:Center	Template:Center	H,L	Template:Sort	0.495	0.0	0.0	0.979	0.0	0.021	Chirp mass 99.7% likely to be between 22 and 44 Solar masses	^[230]
S250830bp	2025-08-30 10:24:18	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.132	0.702	0.165	0.0017	Chirp mass 99.8% likely to be between 5.5 and 11 Solar masses	^[231]
S250901cb	2025-09-01 18:59:41	Template:Center	Template:Center	H,L,V	Template:Sort	1.8 10⁻⁶	0.0	0.0	Template:Sort	0.0	9.5e−8	Chirp mass 100% likely to be between 11 and 22 Solar masses	^[232]
S250904ae	2025-09-04 03:33:07	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.99999	0.0	1.3e−5	Chirp mass 71.2% likely to be between 11 and 22 Solar masses (22-44 28.8%)	^[233]
S250904br	2025-09-04 10:22:08	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.99998	0.0	2.0e−5	Chirp mass 100% likely to be between 22 and 44 Solar masses	^[234]
S250904cv	2025-09-04 13:49:52	Template:Center	Template:Center	H,L	Template:Sort	0.018	0.0	0.0	0.99968	0.0	0.00032	Chirp mass 99.6% likely to be between 11 and 22 Solar masses	^[235]
S250906ca	2025-09-06 12:23:59	Template:Center	Template:Center	H,L,V	Template:Sort	6.3 10⁻⁶	0.0	0.00055	0.942	0.058	3.1e−7	Chirp mass 100% likely to be between 5.5 and 11 Solar masses	^[236]
S250908y	2025-09-08 14:34:28	Template:Center	Template:Center	H,V	Template:Sort	0.0077	0.0	0.0	0.998	0.0023	0.00015	Chirp mass 81.3% likely to be between 5.5 and 11 Solar masses (11-22 18.7%)	^[237]
S250911ac	2025-09-11 07:46:39	Template:Center	Template:Center	H,L	Template:Sort	0.292	0.0	0.118	0.779	0.067	0.036	Chirp mass 100% likely to be between 5.5 and 11 Solar masses	^[238]
S250912f	2025-09-12 06:40:08	Template:Center	Template:Center	L,V	Template:Sort	1.7 10⁻⁵	0.0	0.0	Template:Sort	0.0	6.8e−7	Chirp mass 99.4% likely to be between 44 and 88 Solar masses	^[239]
S250917aq	2025-09-17 13:21:54	Template:Center	Template:Center	H,V	Template:Sort	6.3 10⁻⁶	0.0	0.00045	0.972	0.027	3.1e−7	Chirp mass 100% likely to be between 5.5 and 11 Solar masses	^[240]
S250927ck	2025-09-27 15:24:48	Template:Center	Template:Center	H,L,V	Template:Sort	0.835	0.0	0.0	0.978	0.0	0.022	Chirp mass 88.5% likely to be between 44 and 88 Solar masses (22-44 11.1%)	^[241]
S250927cy	2025-09-27 17:30:41	Template:Center	Template:Center	H,L,V	Template:Sort	0.953	0.0	0.0	0.962	0.0	0.038	Chirp mass 91.5% likely to be between 22 and 44 Solar masses (11-22 8.5%)	^[242]
S250929c	2025-09-29 00:27:32	Template:Center	Template:Center	H,L,V	Template:Sort	0.766	0.0	0.0	0.983	0.0	0.017	Chirp mass 89.3% likely to be between 22 and 44 Solar masses (11-22 10.6%)	^[243]
S251006dd	2025-10-06 23:37:17	Template:Center	Template:Center	H,L,V	Template:Sort	3.2 10⁻⁸	0.0	0.0023	0.862	0.136	7.0e−7	Chirp mass 100% likely to be between 5.5 and 11 Solar masses	^[244]
S251013x	2025-10-13 02:44:14	Template:Center	Template:Center	H,L,V	Template:Sort	0.574	0.0	0.0	0.990	0.0	0.010	Chirp mass 100% likely to be between 22 and 44 Solar masses	^[245]
S251014cn	2025-10-14 11:33:23	Template:Center	Template:Center	H,L	Template:Sort	0.018	0.0	0.0	0.99820	0.0	0.0018	Chirp mass 93.8% likely to be between 11 and 22 Solar masses	^[246]
S251018bi	2025-10-18 15:25:47	Template:Center	Template:Center	H,L,V	Template:Sort	0.018	0.0	0.0	0.99999	0.0	6.7e−6	Chirp mass 61.8% likely to be between 22 and 44 Solar masses (44-88 38.2%)	^[247]
S251021u	2025-10-21 03:22:15	Template:Center	Template:Center	H,L	Template:Sort	0.120	0.0	0.0	0.99992	0.0	8.2e−5	Chirp mass 59.7% likely to be between 44 and 88 Solar masses (22-44 40.3%)	^[248]
S251026bn	2025-10-26 21:16:05	Template:Center	Template:Center	H,L	Template:Sort	0.00028	0.0	0.0	0.924	0.076	8.2e−6	Chirp mass 100% likely to be between 5.5 and 11 Solar masses	^[249]
S251031cq	2025-10-31 18:59:15	Template:Center	Template:Center	H,L,V	Template:Sort	0.039	0.0	0.0	0.99937	0.0	0.00063	Chirp mass 98.8% likely to be between 22 and 44 Solar masses	^[250]
S251031dw	2025-10-31 21:07:49	Template:Center	Template:Center	H,L	Template:Sort	0.833	0.0	0.0	0.0	0.0	Template:Sort	Unidentified gravitational wave "burst" lasting 20 milliseconds at a frequency of tens of Hertz.	^[251]
S251103f	2025-11-03 22:05:26	Template:Center	Template:Center	H,L,V	Template:Sort	2.4 10⁻⁶	0.0	0.0	Template:Sort	0.0	1.3e−7	Chirp mass 100% likely to be between 11 and 22 Solar masses	^[252]
S251105aj	2025-11-05 12:59:19	Template:Center	Template:Center	H,L,V	Template:Sort	4.6 10⁻⁵	0.0	0.0	Template:Sort	0.0	4.9e−6	Chirp mass 98.2% likely to be between 22 and 44 Solar masses	^[253]
S251108dn	2025-11-08 10:32:43	Template:Center	Template:Center	H,L,V	Template:Sort	0.0	0.0	9.2e−5	0.979	0.021	5.8e−11	Chirp mass 100% likely to be between 5.5 and 11 Solar masses	^[254]
S251108fi	2025-11-08 19:13:28	Template:Center	Template:Center	H,L,V	Template:Sort	7.5 10⁻⁵	0.0	0.0	Template:Sort	0.0	2.8e−6	Chirp mass 63.9% likely to be between 22 and 44 Solar masses (11-22 36.1%)	^[255]
S251112cm	2025-11-12 15:18:45	Template:Center	Template:Center	H,L,V	Template:Sort	0.254	Template:Sort	0.0	0.0	0.0	?	Chirp mass 100% likely to be between 0.1 and 0.87 Solar masses. Although marked as a BNS merger, this event falls in the "sub-solar mass" category and may represent a different object type.	^[256]
S251116en	2025-11-16 23:22:21	Template:Center	Template:Center	H,L	Template:Sort	7.5 10⁻⁵	0.0	0.0	0.99998	0.0	1.8e−5	Chirp mass 100% likely to be between 22 and 44 Solar masses	^[257]
S251117dq	2025-11-17 21:38:33	Template:Center	Template:Center	H,L	Template:Sort	3.4 10⁻⁷	0.0	0.0	Template:Sort	0.0	2.2e-8	Chirp mass 100% likely to be between 22 and 44 Solar masses	^[258]

Notes

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References

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External links

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[6] Template:Cite journal

[planspage-7] 7.0 ^7.1 LIGO, Virgo and KAGRA Observing Run Plans

[8] Template:Cite web

[ARX-20181126-9] Template:Cite journal

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[1]

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List of gravitational wave observations

Contents

Origin and nomenclature

List of gravitational wave events

Candidate events and marginal detections

Marginal detections from O1 and O2

Observation candidates from O3/2019

Observation candidates from O4/2023

See also

Notes

References

External links

Navigation menu

List of gravitational wave observations

Origin and nomenclature

List of gravitational wave events

Candidate events and marginal detections

Marginal detections from O1 and O2

Observation candidates from O3/2019

Observation candidates from O4/2023

See also

Notes

References

External links

Navigation menu

Search