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z = 10.1 Most distant quasar known as of 2023 [47] Most distant radio-quiet quasar Most distant radio-loud quasar QSO J1427+3312: z = 6.12 Found June 2008 [48] [49] Most distant blazar quasar PSO J0309+27: z > 6 Least distant Markarian 231: 600 Mly [50] inactive: IC 2497: Largest Large Quasar Group Huge-LQG 73 quasars [23] [24] Fastest Growing ...
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.
Discovered through gamma-ray burst mapping. Largest-known regular formation in the observable universe. [8] Huge-LQG (2012–2013) 4,000,000,000 [9] [10] [11] Decoupling of 73 quasars. Largest-known large quasar group and the first structure found to exceed 3 billion light-years. "Giant Arc" (2021) 3,300,000,000 [12] Located 9.2 billion light ...
On January 11, 2013, the discovery of the Huge-LQG was announced by the University of Central Lancashire, as the largest known structure in the universe by that time.It is composed of 74 quasars and has a minimum diameter of 1.4 billion light-years, but over 4 billion light-years at its widest point. [2]
OQ 172 (OHIO Q 172) is a quasar [1] located in the constellation of Boötes. It has a redshift of (z) 3.544, [2] making it one of the most distant quasars at the time of its discovery by astronomers in 1973. [3] This object was the record holder for almost a decade, before being surpassed by PKS 2000-330 in 1982 located at the redshift of (z) 3 ...
3C 273 is a quasar located at the center of a giant elliptical galaxy in the constellation of Virgo.It was the first quasar ever to be identified and is the visually brightest quasar in the sky as seen from Earth, with an apparent visual magnitude of 12.9. [2]
QSO J0313−1806 [2] was the most distant, and hence also the oldest known quasar at z = 7.64, at the time of its discovery. [1] In January 2021, it was identified as the most redshifted (highest z) known quasar, with the oldest known supermassive black hole (SMBH) at (1.6 ± 0.4) × 10 9 solar masses.
They found it to be about 10,000 times more massive than the black hole at the center of our galaxy, or equivalent to 40 billion solar masses. [5] This makes it one of the most massive black holes ever discovered, more than six times the value of the black hole of Messier 87 , which for 60 years was the largest known black hole, and was dubbed ...