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As a quasar, TON 618 is believed to be the active galactic nucleus at the center of a galaxy, the engine of which is a supermassive black hole feeding on intensely hot gas and matter in an accretion disc. Given its observed redshift of 2.219, the light travel time of TON 618 is estimated to be approximately 10.8 billion years.
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.
1ES 2344+514; Ton 618 (this quasar has possibly the biggest black hole ever found, estimated at 66 billion solar masses) [1]; 3C 371; 4C +37.11 (this radio galaxy is believed to have binary supermassive black holes) [2]
Size comparison of the event horizons of the black holes of TON 618 and Phoenix A. The orbit of Neptune (white oval) is included for comparison. The central black hole of the Phoenix Cluster is the engine that drives both the Seyfert nucleus of Phoenix A, as well as the relativistic jets that produce the inner cavities in the cluster center. M.
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Possible examples include the black holes at the cores of TON 618, NGC 6166, ESO 444-46 and NGC 4889, [20] which are among the most massive black holes known. Some studies have suggested that the maximum natural mass that a black hole can reach, while being luminous accretors (featuring an accretion disk), is typically on the order of about 50 ...
Ton 618: 1.3 × 10 41 kg: 1.9 × 10 14 ... A supermassive black hole (SMBH) is the largest type of black hole, though there are few official criteria on how such an ...
Its supermassive black hole is being ejected and will one day become a displaced quasar. TON 618: TON 618 is a very distant and extremely luminous quasar—technically, a hyperluminous, broad-absorption line, radio-loud quasar—located near the North Galactic Pole in the constellation Canes Venatici.