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QSO J0529−4351
Wide-field of the region around the quasar J0529-4351
Observation data (Epoch )
ConstellationPictor
Right ascension05h 29m 15.8s
Declination−43° 51′ 52″
Redshift3.962[1]
Apparent magnitude (V)16[1]
Notable features
  • brightest of its kind
  • most luminous object ever observed
  • contains fastest growing black hole
Other designations
  • SMSS J052915.80−435152.0
  • Quasar J0529−4351
See also: Quasar, List of quasars

QSO J0529−4351 (SMSS J052915.80–435152.0) is a quasar, 12 billion light-years away in the Pictor constellation, notable for being the brightest of its kind, and furthermore, for being the most luminous object ever observed. The black hole at its centre has a mass of approximately 17 billion solar masses, and accretes around one solar mass per day. The quasar was discovered using the Very Large Telescope of the European Southern Observatory and reported on 20 February 2024.[2][3][4][5]

In a Gaia DR3 data set published on 13 June 2022, Quasar J0529−4351 was assigned a 99.98% probability of being a star in the Milky Way via an automated analysis.[1]

See also

References

  1. ^ a b c Wolf, Christian; Lai, Samuel; Onken, Christopher A.; Amrutha, Neelesh; Bian, Fuyan; Hon, Wei Jeat; Tisserand, Patrick; Webster, Rachel L. (21 December 2023). "The accretion of a solar mass per day by a 17-billion solar mass black hole" (PDF). Nature Astronomy. Retrieved 27 February 2024.
  2. ^ European Southern Observatory. "Brightest and fastest-growing: astronomers identify record-breaking quasar". www.eso.org. Retrieved 19 February 2024.
  3. ^ Wolf, Christian; Lai, Samuel (21 December 2023). "The accretion of a solar mass per day by a 17-billion solar mass black hole" (PDF). www.eso.org. Retrieved 20 February 2024.
  4. ^ Astronomers discover universe’s brightest object – a quasar powered by a black hole that eats a sun a day, The Guardian
  5. ^ The accretion of a solar mass per day by a 17-billion solar mass black hole , Nature
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