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List of nearest known black holes

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This is adynamic listand may never be able to satisfy particular standards for completeness. You can help byadding missing itemswithreliable sources.

This is a list of knownblack holesthat are close to theSolar System.

It is thought that most black holes are solitary, but black holes inbinaryor largersystemsare much easier to detect.[1]Solitary black holes can generally only be detected by measuring theirgravitational distortionof the light from more distant objects. As of February 2022, only oneisolated black holehas been confirmed,OGLE-2011-BLG-0462,around 5,200 light-years away.[2]

The nearest known black hole isGaia BH1,which was discovered in September 2022 by a team led by Kareem El-Badry. Gaia BH1 is 1,560 light-years away from Earth in the direction of the constellation Ophiuchus.[3]

For comparison,the nearest star to the Sunis about4.24light yearsaway, and theMilky Waygalaxy is approximately 100,000 light years in diameter.

List[edit]

See also:Stellar black hole § Candidates
Distance System Component Notes andadditional references
(ly) (kpc) Designation Description Right ascension[4]
(EpochJ2000.0) 		Declination[4]
(EpochJ2000.0) 		Disco­very
date[5] 		Desig­nation Stel­lar
class 		Mass
(M☉)
1560±10 0.478±0.005 Gaia BH1(TIC 125470397) Binary system with orbitt=185.63 d and eccentricity e=0.45[3] 17h28m41.09s −00° 34′ 51.93″ 2022 A BH 9.78 [3]
B G 0.93
1840±30 0.5906±0.0058 Gaia BH3(Gaia DR3 4318465066420528000) Binary system with orbitt=11.6 yr and eccentricity e=0.7291 19h39m18.72s +14° 55′ 54.2″ 2024 A BH 32.70±0.82 [6]
B G 0.76±0.05
3800±80 1.16±0.02 Gaia BH2(Gaia DR3 5870569352746779008) Binary system with orbitt=1276.7 d and eccentricity e=0.518 13h50m16.728s −59° 14′ 20.42″ 2023 A BH 8.93 [7][8]
B K III 1.07
3800+2700
−2000 		1.18+0.82
−0.63 		Gaia18ajz Candidate for isolated black hole detected bymicrolensing[9] 18h30m14.460s −08° 13′ 12.756″ 2024 BH 12.0+14.9
−5.4 		Most probable solution parameters shown. Another solution has a mass of 5.6 MSol.
4700±800 1.44±0.25 A0620-00(V616 Mon) Binary star system with orbitt=7.75 h 06h22m44.503s[10] −00° 20′ 44.72″[10] 1986 A BH 11.0±1.9 Low-mass X-ray binary
B K[11] 0.5±0.3
5150±590 1.58±0.18 MOA-2011-BLG-191orOGLE-2011-BLG-0462 Isolated black hole detected bymicrolensing[2] 17h51m40.2082s −29° 53′ 26.50″ 2022 BH 7.1±1.3 First confirmed black hole detected via microlensing
5400+6900
−1900 		1.7±1.4 GRS 1124-683(GU Muscae) Binary star system with orbitt=10.38 h 11h26m26.60s −68° 40′ 32.3″ 1991Jan 20 A BH 6.95±1.1
B K 0.9±0.3
5720±300 1.7±0.1 XTE J1118+480 11h18m11s 48° 02′ 13″ 2000 A BH 6–6.5
B M 0.2
7300±200 2.25±0.08 Cygnus X-1(Cyg X-1) Binary star system with orbitt=5.6 d 19h58m21.676s[12] +35° 12′ 05.78″[12] 1971 April–May Cyg X-1 BH 15±1 The first X-ray source widely accepted to be a black hole.
HDE 226868 O[13] 30±10
7800±460 2.39±0.14 V404 Cygni Binary star system with orbitt=6.5 d 20h24m03.83s[14] +33° 52′ 02.2″[14] 1989 May 22 A BH 9 First black hole to have an accurate parallax measurement of its distance from our solar system
B K[4] 0.7 Early K giant star
8100±1000 2.49±0.30 GRO J0422+32 Binary star system with orbitt=5.09 h 04h21m42.723s +32° 54′ 26.94″ 1992 Aug 5 A BH 3.97±0.95
B M1 0.5±0.1
8150 2.5 MACHO-96-BLG-5 Candidate isolated black hole detected bymicrolensing[15] 18h05m2.50s −27° 42′ 17″ 2001 BH 5.30+1.14
−0.96 		Very strong candidate, parameters listed are of best fit
8800±2300 2.7±0.7 GS 2000+25 20h02m50s +25° 14′ 11″ 1988 A BH 7.5
B M 0.5
9260+6330
−5450 		2.84+1.94
−1.67 		Gaia18cbf Candidate isolated mass-gap black hole detected bymicrolensing[16] 16h04m38.862s −41° 06′ 17.32″ 2022 BH 2.65+5.09
−1.48 		Best fit. Second best fit has a mass of 1.71 MSol, which would make it a neutron star
11100±700 3.4±0.2 Cygnus X-3 Binary star system with orbitt=4.8 h 20h32m25.766s +40° 57′ 28.26″ 1967 Cyg X-3 BH 2.4+2.1
−1.1
[17]
V1521 Cyg WN 10.3+3.9
−2.8
[17]
11400 3.5 MACHO-98-BLG-6 Candidate isolated mass-gap black hole detected bymicrolensing[15] 17h57m32.80s −28° 42′ 45″ 2001 BH 3.17+0.52
−0.48 		Very strong candidate, parameters listed are of best fit
11900±3600 3.7±1.1 GRO J1655-40 Binary star system with orbitt= 2.6 d 16h54m00.137s −39° 50′ 44.90″ 1994 A BH 5.31±0.07
V1033 Sco F5IV 1.9±0.3
15700 4.8 MACHO-99-BLG-22 Candidate isolated black hole detected bymicrolensing[18] 18h05m05.28s −28° 34′ 41.70″ 2002 BH 7.5 Very strong candidate
25600±600 7.86±0.2 Sagittarius A* Supermassive black hole 17h45m40.0409s −29° 0′ 28.118″ 1974 BH 4154000±14000 Center of the Galaxy
29700±2700 9.1±0.8 4U 1543-475 Binary star system with orbitt= 26.8 h 15h47m08.277s −47° 40′ 10.28″ 1971 A BH 9.4±2.0
B A2V 2.7±1.0

See also[edit]

References[edit]

  1. ^"ESO Instrument Finds Closest Black Hole to Earth".European Southern Observatory.May 6, 2020.
  2. ^abSahu, Kailash C.; et al. (Jan 31, 2022)."An Isolated Stellar-mass Black Hole Detected through Astrometric Microlensing".The Astrophysical Journal.933(1): 83.arXiv:2201.13296.Bibcode:2022ApJ...933...83S.doi:10.3847/1538-4357/ac739e.S2CID246430448.
  3. ^abcEl-Badry, Kareem; Rix, Hans-Walter; Quataert, Eliot; Howard, Andrew W.; Isaacson, Howard; Fuller, Jim; Hawkins, Keith; Breivik, Katelyn; Wong, Kaze W. K.; Rodriguez, Antonio C.; Conroy, Charlie; Shahaf, Sahar; Mazeh, Tsevi; Arenou, Frédéric; Burdge, Kevin B.; Bashi, Dolev; Faigler, Simchon; Weisz, Daniel R.; Seeburger, Rhys; Monter, Silvia Almada; Wojno, Jennifer (2023). "A Sun-like star orbiting a black hole".Monthly Notices of the Royal Astronomical Society.518:1057–1085.arXiv:2209.06833.Bibcode:2023MNRAS.518.1057E.doi:10.1093/mnras/stac3140.
  4. ^abc"The One Hundred Nearest Star Systems".Research Consortium on Nearby Stars.GSU.2007-09-17.Retrieved2007-11-06.
  5. ^Before 1900: earliest certain recorded observation. 1900–1930: first catalogued. After 1930: earliest trigonometric or spectroscopic parallax.
  6. ^Panuzzo, P. (2024)."Discovery of a dormant 33 solar-mass black hole in pre-release Gaia astrometry".The Astrophysical Journal.686:L2.arXiv:2404.10486.Bibcode:2024A&A...686L...2G.doi:10.1051/0004-6361/202449763.
  7. ^Tanikawa, Ataru; Hattori, Kohei; Kawanaka, Norita; Kinugawa, Tomoya; Shikauchi, Minori; Tsuna, Daichi (2023)."Search for a Black Hole Binary in Gaia DR3 Astrometric Binary Stars with Spectroscopic Data".The Astrophysical Journal.946(2): 79.arXiv:2209.05632.Bibcode:2023ApJ...946...79T.doi:10.3847/1538-4357/acbf36.
  8. ^El-Badry, Kareem; Rix, Hans-Walter; et al. (February 2023). "A red giant orbiting a black hole".Monthly Notices of the Royal Astronomical Society.521(3): 4323–4348.arXiv:2302.07880.Bibcode:2023MNRAS.521.4323E.doi:10.1093/mnras/stad799.
  9. ^Howil K, Wyrzykowski L, Kruszynska K, et al. (Mar 15, 2024). "Uncovering the Invisible: A Study of Gaia18ajz, a Candidate Black Hole Revealed by Microlensing".arXiv:2403.09006[astro-ph.GA].
  10. ^ab Liu, Q.Z.; Paradijs, J.; van den Heuvel, E.P.J. (July 2007), "A Catalogue of low-mass X-ray binaries in the Galaxy, LMC, and SMC (Fourth edition)",Astronomy and Astrophysics,469(2): 807–810,arXiv:0707.0544,Bibcode:2007A&A...469..807L,doi:10.1051/0004-6361:20077303,S2CID14673570
  11. ^Yungelson, L.; Lasota, J.-P. (May 2008), "Evolution of low-mass binaries with black-hole components",New Astronomy Reviews,51(10–12): 860–868,arXiv:0801.3433,Bibcode:2008NewAR..51..860Y,doi:10.1016/j.newar.2008.03.017,S2CID11830754
  12. ^abvan Leeuwen, Floor (November 2007), "Validation of the new Hipparcos reduction",Astronomy and Astrophysics,474(2): 653–664,arXiv:0708.1752,Bibcode:2007A&A...474..653V,doi:10.1051/0004-6361:20078357,S2CID18759600
  13. ^Sota, A.; Apellániz, J. Maíz; Walborn, N.R.; Alfaro, E.J.; Barbá, R.H.; Morrell, N.I.; Gamen, R.C.; Arias, J.I. (April 2011), "The Galactic O-Star Spectroscopic Survey. I. Classification System and Bright Northern Stars in the Blue-violet at R ~ 2500",The Astrophysical Journal Supplement,193(2): 24–74,arXiv:1101.4002,Bibcode:2011ApJS..193...24S,doi:10.1088/0067-0049/193/2/24,S2CID119248206
  14. ^abCutri, Roc M.; Skrutskie, Michael F.; Van Dyk, Schuyler D.; Beichman, Charles A.; Carpenter, John M.; Chester, Thomas; Cambresy, Laurent; Evans, Tracey E.; Fowler, John W.; Gizis, John E.; Howard, Elizabeth V.; Huchra, John P.; Jarrett, Thomas H.; Kopan, Eugene L.; Kirkpatrick, J. Davy; Light, Robert M.; Marsh, Kenneth A.; McCallon, Howard L.; Schneider, Stephen E.; Stiening, Rae; Sykes, Matthew J.; Weinberg, Martin D.; Wheaton, William A.; Wheelock, Sherry L.; Zacarias, N. (2003)."VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)".CDS/ADC Collection of Electronic Catalogues.2246:II/246.Bibcode:2003yCat.2246....0C.
  15. ^abAbdurrahman, Fatima N.; Stephens, Haynes F.; Lu, Jessica R. (2021-05-01)."On the Possibility of Stellar Lenses in the Black Hole Candidate Microlensing Events MACHO-96-BLG-5 and MACHO-98-BLG-6".The Astrophysical Journal.912(2): 146.arXiv:2103.09923.Bibcode:2021ApJ...912..146A.doi:10.3847/1538-4357/abee83.ISSN0004-637X.
  16. ^Kruszyńska, K.; Wyrzykowski, Ł.; Rybicki, K. A.; Maskoliūnas, M.; Bachelet, E.; Rattenbury, N.; Mróz, P.; Zieliński, P.; Howil, K.; Kaczmarek, Z.; Hodgkin, S. T.; Ihanec, N.; Gezer, I.; Gromadzki, M.; Mikołajczyk, P. (2022-06-01)."Lens parameters for Gaia18cbf - a long gravitational microlensing event in the Galactic plane".Astronomy and Astrophysics.662:A59.arXiv:2111.08337.Bibcode:2022A&A...662A..59K.doi:10.1051/0004-6361/202142602.ISSN0004-6361.S2CID244129969.
  17. ^abZdziarski, A. A.; Mikołajewska, J.; Belczyński, K. (2013). "Cyg X-3: A low-mass black hole or a neutron star".Monthly Notices of the Royal Astronomical Society.429:L104–L108.arXiv:1208.5455.Bibcode:2013MNRAS.429L.104Z.doi:10.1093/mnrasl/sls035.
  18. ^Mereghetti, S.; Sidoli, L.; Ponti, G.; Treves, A. (2022-07-01)."X-Ray Observations of the Isolated Black Hole Candidate OGLE-2011-BLG-0462 and Other Collapsed Objects Discovered through Gravitational Microlensing".The Astrophysical Journal.934(1): 62.arXiv:2206.07480.Bibcode:2022ApJ...934...62M.doi:10.3847/1538-4357/ac7965.ISSN0004-637X.
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