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Sagittarius A*, abbreviated as Sgr A* (/ ˈ s æ dʒ ˈ eɪ s t ɑːr / SADGE-AY-star [3]), is the supermassive black hole [4] [5] [6] at the Galactic Center of the Milky Way.Viewed from Earth, it is located near the border of the constellations Sagittarius and Scorpius, about 5.6° south of the ecliptic, [7] visually close to the Butterfly Cluster (M6) and Lambda Scorpii.
List of most massive black holes Host or black hole name Mass (M ☉) Notes (Maximal Theoretical Limit) 2.7 × 10 11: This is the maximum mass of a black hole that models predict, at least for luminous accreting SMBHs. At around 10 10 M ☉, effects of both intense radiation and star formation in the accretion disc slow down black hole growth.
Webb, which was launched in 2021 and began collecting data in 2022, is enabling astronomers to observe the region around the black hole - called Sagittarius A*, or Sgr A* - for extended periods ...
In 1999 a violent outburst at V4641 Sgr was thought to have revealed the location of the closest known black hole to Earth, [22] but later investigation increased its estimated distance by a factor of 15. [23] The complex radio source Sagittarius A is also in Sagittarius, near its western boundary with Ophiuchus.
Animals. Business. Food. Games. Health. ... also called Sgr A*, for 48 hours over the course of one year in eight to 10-hour increments, using Webb’s Near-Infrared Camera to track the black hole ...
The newly identified black hole is located about 2,000 light-years from Earth - relatively close in cosmic terms - in the constellation Aquila, and has a companion star orbiting it, researchers ...
OJ 287 core black holes — a BL Lac object with a candidate binary supermassive black hole core system [23] PG 1302-102 – the first binary-cored quasar — a pair of supermassive black holes at the core of this quasar [24] [25] SDSS J120136.02+300305.5 core black holes — a pair of supermassive black holes at the centre of this galaxy [26]
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