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ULAS J1342+0928 is the second-most distant known quasar detected and contains the second-most distant and oldest known supermassive black hole,[1][5][6][7] at a reported redshift of z = 7.54. The ULAS J1342+0928 quasar is located in the Boötes constellation.[3] The related supermassive black hole is reported to be "800 million times the mass of the Sun".[5]

Quick facts: ULAS J1342+0928[1][2], Observation data (Epoc...
ULAS J1342+0928[1][2]
Artist's conception of a similar quasar
Observation data (Epoch J2000.0)
ConstellationBoötes[3]
Right ascension13h 42m 08.10s
Declination+09° 28 38.61
Redshift7.54[1]
Distance29.36 Gly (9.00 Gpc)
(comoving distance)[4]
13.1 Gly (4.0 Gpc)
(light travel distance)[5]
Other designations
ULAS J134208.10+092838.61,[1] Quasar20171206[6]
See also: Quasar, List of quasars
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