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{{Short description|Region where a supermassive black hole gravitationally dominates its galaxy}} ...[supermassive black hole]] in which the [[gravitational potential]] of the black hole dominates the gravitational potential of the host [[galaxy]]. The radi ...

{{short description|Astronomical formula for the mass of a stellar system}} ...ons and [[proper motions]] of its component [[star]]s. The distance to the stellar system must also be known. ...

...nary merger from June 8, 2017|url=https://phys.org/news/2017-11-ligo-virgo-black-hole-binary.html|access-date=20 November 2017|date=November 16, 2017}}</ref ...|first1=Benjamin P.|title=GW170608: Observation of a 19-solar-mass Binary Black Hole Coalescence|doi=10.3847/2041-8213/aa9f0c|arxiv=1711.05578|journal=[[Th ...

...two massive objects (stars, black holes etc.) and that is embedded in a [[stellar system]] containing a large number of stars. Let <math>M_1</math> and <mat ...binary, which in turn alters the direction of the spin axis of the single black hole that forms when the two coalesce. ...

{{Short description|Cluster of stars around a supermassive black hole}} ...ose to the black hole at the time of the ejection will remain bound to the black hole after it leaves the galaxy, forming the HCSS. ...

...w.space.com/4494-black-holes-launch-powerful-cosmic-winds.html|title=Black Holes Launch Powerful Cosmic Winds|website=[[Space.com]]|date=5 November 2007|acc ...c wind. In smaller stars, such as the Sun, the wind comes from the Sun's [[Stellar corona|corona]] and is referred to as [[solar wind]]. ...

...effect was discussed by Mészáros in 1975<ref>Mészáros, P., "Primeval black holes and galaxy formation", [https://ui.adsabs.harvard.edu/abs/1975A%26A....38.. primordial black holes, an idea which has received increased attention (e.g. ...

[[Image:msigma.jpg|thumb|right|250px|Black-hole mass plotted against velocity dispersion of stars in a galaxy bulge. P ...[galaxy]] [[bulge (astronomy)|bulge]] and the mass M of the [[supermassive black hole]] at its center. ...

...l=https://web.archive.org/web/20200626004744/https://phys.org/news/2020-06-black-hole-collision.html |url-status=live }}</ref> ...IGO-20200902">{{cite news |author=Martin |title=GW190521: The Most Massive Black Hole collision Observed To Date |url=https://www.ligo.org/science/Publicati ...

...all–Wolf cusp. The unit of length is the black hole [[sphere of influence (black hole)|influence radius]]. The elapsed time is roughly one [[relaxation (phy ...form, such that the density of stars, ''ρ'', varies with distance from the black hole, ''r'', as ...

{{Short description|High-mass black hole seeds}} ...|website=Press Room |title=NASA Telescopes Find Clues For How Giant Black Holes Formed So Quickly |date=24 May 2016|url=https://chandra.si.edu/press/16_rel ...

...ild metric]] describing the collapse of an object of extreme mass into a [[black hole]].<ref name=":2">{{Cite book ...|last=Hamilton |first=Andrew |date=November 13, 2011 |title=Collapse to a Black Hole |url=https://jila.colorado.edu/~ajsh/bh/collapse.html |access-date=Feb ...

...g apart of a star by tidal forces when it gets too close to a supermassive black hole}} ...Fate of Stars on Parabolic Orbits Tidally Disrupted by Supermassive Black Holes |journal=The Astrophysical Journal Letters |volume=971 |issue=2 |pages=L46 ...

...ajan |first2=Priyamvada |date=2014-09-01 |title=Rapid growth of seed black holes in the early universe by supra-exponential accretion |url=https://ui.adsabs |title= Probing the first stars and black holes in the early Universe with the Dark Ages Radio Explorer (DARE) ...

{{Short description|System consisting of two black holes in close orbit around each other}} ...dragged around by the rotating black holes.<ref>Credits: [http://www.black-holes.org SXS (Simulating eXtreme Spacetimes) project].</ref>]] ...

...termined.<ref name="a+2018">{{cite journal |title=Properties of the Binary Black Hole Merger GW150914 |first1=B. P. |last1=Abbott |collaboration=LIGO Scient ...y for the gravitational-wave sources in the vicinity of supermassive black holes ...

...rig-year=1st pub. 1987 |pages=221–227 |chapter=Chapter 9: Binary Stars and Stellar Masses |chapter-url=https://books.google.com/books?id=DjeVdb0sLEAC&pg=PA221 Let <math>M_1</math> and <math>M_2</math> be the stellar masses, with <math>M_1 + M_2 = M_\mathrm{tot}</math> the total mass of the ...

...l>{{cite journal |last=Curiel |first=Erik |title=The many definitions of a black hole |journal=Nature Astronomy |year=2019 |volume=3 |pages=27–34 |doi=10.10 .... |author-link=Eric Chaisson |title=Relatively Speaking: Relativity, Black Holes, and the Fate of the Universe |url=https://archive.org/details/relativelysp ...

...sive Than the Sun |url=https://www.space.com/39000-oldest-farthest-monster-black-hole-yet.html |date=6 December 2017 |work=[[Space.com]] |access-date=6 Dece ...announced the discovery of ULAS J1120+0641, explained, "The super-massive black hole itself is dark but it has a disc of gas or dust around it that has bec ...

...nary system]]s,<ref name="binary"/> [[nebula]]e,<ref name="nebula"/> and [[black hole]]s. ...]] measurements (which also determine orbital inclinations).<ref name="Han Black Gatewood 2001" /> ...