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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]
This is a list of lists of black holes: List of black holes; List of most massive black holes; List of nearest known black holes; List of quasars; See also.
A quasi-star (also called black hole star) is a hypothetical type of extremely large and luminous star that may have existed early in the history of the Universe. They are thought to have existed for around 7–10 million years due to their immense mass .
The supermassive black hole at the core of Messier 87, here shown by an image by the Event Horizon Telescope, is among the black holes in this list. This is an ordered list of the most massive black holes so far discovered (and probable candidates), measured in units of solar masses (M ☉), approximately 2 × 10 30 kilograms.
Media in category "Black holes" This category contains only the following file. Black hole - Messier 87 crop max res.jpg 4,320 × 4,320; 3.09 MB
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.
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Binary supermassive black holes within the quasar [37] [38] First quasar containing a recoiling supermassive black hole SDSS J0927+2943: 2008 Two optical emission line systems separated by 2650 km/s First gravitationally lensed quasar identified Twin Quasar: 1979 Lensed into 2 images The lens is a galaxy known as YGKOW G1