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QSO J0529−4351 (SMSS J052915.80–435152.0) is a quasar, 12 billion light-years away in the Pictor constellation, notable for being the most luminous object ever observed at roughly 500 trillion times the luminosity of the Sun. 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][1][3]
QSO J0529−4351 | |
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![]() Wide-field of the region around the quasar J0529-4351 | |
Observation data (Epoch ) | |
Constellation | Pictor |
Right ascension | 05h 29m 15.8s |
Declination | −43° 51′ 52″ |
Redshift | 3.962[1] |
Apparent magnitude (V) | 16[1] |
Notable features |
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Other designations | |
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See also: Quasar, List of quasars |
In a Gaia DR3 data set published on 13 June 2022, QSO J0529−4351 was assigned a 99.98% probability of being a star in the Milky Way via an automated analysis.[1]
See also
editReferences
edit- ^ a b c d Wolf, Christian; Lai, Samuel; Onken, Christopher A.; Amrutha, Neelesh; Bian, Fuyan; Hon, Wei Jeat; Tisserand, Patrick; Webster, Rachel L. (2024). "The accretion of a solar mass per day by a 17-billion solar mass black hole" (PDF). Nature Astronomy. 8 (4): 520. arXiv:2402.15101. Bibcode:2024NatAs...8..520W. doi:10.1038/s41550-024-02195-x. Retrieved 27 February 2024.
- ^ "Brightest and fastest-growing: astronomers identify record-breaking quasar" (Press release). European Southern Observatory. 19 February 2024. Retrieved 19 February 2024.
- ^ Shepherd, Tory (20 February 2024). "Astronomers discover universe's brightest object – a quasar powered by a black hole that eats a sun a day". The Guardian. ISSN 0261-3077. Retrieved 31 August 2024.