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== MOA-2011-BLG-191/OGLE-2011-BLG-0462 == |
== MOA-2011-BLG-191/OGLE-2011-BLG-0462 == |
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In January 2022, a team of astronomers reported the first unambiguous detection and mass measurement of an isolated [[stellar black hole]] with the Hubble Space Telescope.<ref>{{cite arXiv|last1=Sahu|first1=Kailash C.|last2=Anderson|first2=Jay|last3=Casertano|first3=Stefano|last4=Bond|first4=Howard E.|last5=Udalski|first5=Andrzej|last6=Dominik|first6=Martin|last7=Calamida|first7=Annalisa|last8=Bellini|first8=Andrea|last9=Brown|first9=Thomas M.|last10=Rejkuba|first10=Marina|last11=Bajaj|first11=Varun|date=2022-01-31|title=An Isolated Stellar-Mass Black Hole Detected Through Astrometric Microlensing|class=astro-ph.SR|eprint=2201.13296}}</ref><ref>{{Cite web|last=Browne|first=Ed|date=2022-02-08|title=First ever rogue black hole spotted zooming through space at 28 miles per second|url=https://www.newsweek.com/first-ever-rogue-isolated-black-hole-spotted-binary-explosion-study-1676325|access-date=2022-02-10|website=Newsweek|language=en}}</ref> This black hole is located 5,000 [[light-year]]s away, weighs 7.1 times that of the Sun, and moves at about 45 km/s.<ref>{{Cite web|date=2022-02-06|title=The First Rogue Black Hole has Been Discovered, and it's Only 5,000 Light-Years Away|url=https://www.universetoday.com/154420/the-first-rogue-black-hole-has-been-discovered-and-its-only-5000-light-years-away/|access-date=2022-02-10|website=Universe Today|language=en-US}}</ref> |
In January 2022, a team of astronomers reported the first unambiguous detection and mass measurement of an isolated [[stellar black hole]] with the [[Hubble Space Telescope]].<ref>{{cite arXiv|last1=Sahu|first1=Kailash C.|last2=Anderson|first2=Jay|last3=Casertano|first3=Stefano|last4=Bond|first4=Howard E.|last5=Udalski|first5=Andrzej|last6=Dominik|first6=Martin|last7=Calamida|first7=Annalisa|last8=Bellini|first8=Andrea|last9=Brown|first9=Thomas M.|last10=Rejkuba|first10=Marina|last11=Bajaj|first11=Varun|date=2022-01-31|title=An Isolated Stellar-Mass Black Hole Detected Through Astrometric Microlensing|class=astro-ph.SR|eprint=2201.13296}}</ref><ref>{{Cite web|last=Browne|first=Ed|date=2022-02-08|title=First ever rogue black hole spotted zooming through space at 28 miles per second|url=https://www.newsweek.com/first-ever-rogue-isolated-black-hole-spotted-binary-explosion-study-1676325|access-date=2022-02-10|website=Newsweek|language=en}}</ref> This black hole is located 5,000 [[light-year]]s away, weighs 7.1 times that of the Sun, and moves at about 45 km/s.<ref>{{Cite web|date=2022-02-06|title=The First Rogue Black Hole has Been Discovered, and it's Only 5,000 Light-Years Away|url=https://www.universetoday.com/154420/the-first-rogue-black-hole-has-been-discovered-and-its-only-5000-light-years-away/|access-date=2022-02-10|website=Universe Today|language=en-US}}</ref> |
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== See also == |
== See also == |
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Revision as of 13:37, 12 April 2022
A rogue black hole (also termed a free-floating (FFP), interstellar, nomad, orphan, unbound or wandering black hole) is an interstellar object without a host galactic group.[1] They are caused by collisions between two galaxies or when the merging of two black holes is disrupted.[2] It has been estimated that there could be 12 rogue black holes in the Milky Way galaxy.[2]
MOA-2011-BLG-191/OGLE-2011-BLG-0462
In January 2022, a team of astronomers reported the first unambiguous detection and mass measurement of an isolated stellar black hole with the Hubble Space Telescope.[3][4] This black hole is located 5,000 light-years away, weighs 7.1 times that of the Sun, and moves at about 45 km/s.[5]
See also
References
- ^ "Rogue Black Hole Observed for the First Time - ExtremeTech". www.extremetech.com. Retrieved 2022-02-10.
- ^ a b Ben Turner (2021-08-27). "Rogue black holes could be wandering at the edges of the Milky Way". livescience.com. Retrieved 2022-02-10.
- ^ Sahu, Kailash C.; Anderson, Jay; Casertano, Stefano; Bond, Howard E.; Udalski, Andrzej; Dominik, Martin; Calamida, Annalisa; Bellini, Andrea; Brown, Thomas M.; Rejkuba, Marina; Bajaj, Varun (2022-01-31). "An Isolated Stellar-Mass Black Hole Detected Through Astrometric Microlensing". arXiv:2201.13296 [astro-ph.SR].
- ^ Browne, Ed (2022-02-08). "First ever rogue black hole spotted zooming through space at 28 miles per second". Newsweek. Retrieved 2022-02-10.
- ^ "The First Rogue Black Hole has Been Discovered, and it's Only 5,000 Light-Years Away". Universe Today. 2022-02-06. Retrieved 2022-02-10.
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