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...1=B.|last2=Micela|first2=G.|date=October 2007|title=X-ray detection of the substellar twin 2MASS J11011926-7732383 AB|journal=Astronomy & Astrophysics|language=e [[Category:Astronomical objects discovered in 2004]] ...

...w surface gravity. A low surface gravity is a sign of youth for substellar objects. The researchers also found similarities with an archived [[Very Large Tele ...

...t2 = Frédéric | last3 = Thévenin | first3 = Frédéric | title = Stellar and substellar companions from <i>Gaia</i> EDR3 | journal = Astronomy & Astrophysics | yea [[Category:Henry Draper Catalogue objects|201298]] ...

{{Short description|Substellar object in Serpens constellation}} ...ts peculiar colors matching both [[L dwarf|L-type]] and [[T dwarf|T-type]] objects, likely due to its very low [[metallicity]]. Together with [[WISEA 0414−585 ...

[[Category:Free-floating substellar objects]] ...

...1 |work=[[NASA]] |accessdate=31 August 2021 }}</ref> is a [[brown dwarf]] (substellar object), [[Y dwarf|Class Y]], the coolest class, visible only in the infrar ...al velocity of about 200 km/s.<ref name="Kirkpatrick et al." /> Metal-poor objects belong to older stellar population, which are in a different orbit around t ...

...ervella2019>{{cite journal |bibcode=2019A&A...623A..72K |title=Stellar and substellar companions of nearby stars from Gaia DR2. Binarity from proper motion anoma [[Category:Durchmusterung objects]] ...

...ulsar]], a type of pulsar harboring a closely-orbiting [[substellar object|substellar-mass]] companion that is being [[Ablation|ablated]] by the pulsar's intense ...[binary system]] is composed of a massive pulsar and a [[substellar object|substellar-mass]] (<{{val|0.1|ul=solar mass}})<ref name="Roberts2013"/>{{rp|page=127}} ...

...tion)|black widow]]'' was applied to the object. Subsequent to this, other objects with similar features have been discovered, and the name has been applied t The pulsar has a substellar companion, possibly a brown dwarf. ...

...I. The Fundamental Properties of 1000+ Ultracool Dwarfs and Planetary-mass Objects Using Optical to Mid-infrared Spectral Energy Distributions and Comparison ...|date=February 2024 |title=Predicting Cloud Conditions in Substellar Mass Objects Using Ultracool Dwarf Companions |journal=The Astrophysical Journal |langua ...

...déric |last3=Thévenin |first3=Frédéric |date=2022-01-01 |title=Stellar and substellar companions from Gaia EDR3. Proper-motion anomaly and resolved common proper [[Category:2MASS objects|J20335419+3515031]] ...

HD 984 B is a [[brown dwarf]], a class of astronomical objects that are intermediate between [[Planet|planets]] and [[Star|stars]], having ...=Kraus |first8=Adam L. |date=2022-02-01 |title=Dynamical Mass of the Young Substellar Companion HD 984 B |journal=The Astronomical Journal |volume=163 |issue=2 | ...

...t2 = Frédéric | last3 = Thévenin | first3 = Frédéric | title = Stellar and substellar companions from ''Gaia'' EDR3 | journal = Astronomy & Astrophysics | year = [[Category:Durchmusterung objects|BD+68 00303]] ...

...riod of 11.9 years, and that there was also evidence for a second possible substellar body further out.<ref name="Qian"/> More observations of the light curve ar [[Category:Objects with variable star designations|Caeli, RR]] ...

...d WR 85 lie at the same distance, while the other two stars are foreground objects. Assumptions about the brightness of each star suggest a distance of {{val| ...nçois |last4=Thévenin |first4=Frédéric |date=2019-03-01 |title=Stellar and substellar companions of nearby stars from Gaia DR2. Binarity from proper motion anoma ...

...s]] and [[Rogue planet|planetary-mass objects]]. They are the coldest such objects in interstellar space and have a temperature around below 500 [[Kelvin]] (2 ...h>, with SpType 19 is T9, 20 is Y0, 21 is Y1, etc. Might be inaccurate for objects with non-solar metallicity.}} ...

...e=26 December 2017}}</ref> It aims to discover new [[brown dwarf]]s, faint objects that are less massive than stars, some of which might be among the [[List o ...he same patch of sky at different times. In addition to Planet Nine, other objects of interest{{spaced ndash}}such as undiscovered nearby brown dwarfs{{spaced ...

...comparing WISE images at different [[Epoch (astronomy)|epoch]]s to reveal objects that have high [[proper motion]]s.{{r|PennState|Luhman2013}} ...by stars; the abundance of light sources makes it difficult to spot faint objects. This explains why an object so near to the Sun was not discovered in earli ...

...ated a planetary companion with an orbital period of more than 20 years. A substellar object with a [[minimum mass]] of {{Jupiter mass|1.6|link=y}} and orbital s ...(225 to 260 K or 285 K), making Epsilon Indi Ab likely one of the coldest objects to be directly imaged outside the [[Solar System|solar system]]. At this te ...

...n]]. The second mark shows each's distance from Sol, with the [[Concentric objects|concentric]] circles indicating the distance in steps of one ly. |title = The Field Substellar Mass Function Based on the Full-sky 20 pc Census of 525 L, T, and Y Dwarfs ...