QSO J0529-4351 - Wikipedia

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QSO J0529−4351
Wide-field of the region around the quasar J0529-4351
Observation data (Epoch )
Constellation	Pictor
Right ascension	05^h 29^m 15.8^s
Declination	−43° 51′ 52″
Redshift	3.962^[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]

References[edit]

^ ^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.
^ European Southern Observatory. "Brightest and fastest-growing: astronomers identify record-breaking quasar". www.eso.org. Retrieved 19 February 2024.
^ 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.
^ Astronomers discover universe’s brightest object – a quasar powered by a black hole that eats a sun a day, The Guardian
^ The accretion of a solar mass per day by a 17-billion solar mass black hole , Nature

Constellation of Pictor

Stars

Bayer	α β γ δ ζ η¹ η² θ ι κ λ μ ν μ Dor
Variable	R S RR SW TU TV TW TX AB AE AK VZ
HR	1498 1667 1727 1742 1813 1856 1860 1912 1984 2008 2023 2032 2044 2049 2072 2089 2094 2114 2117 2138 2274 2336 2337 2345 2354 2360 2369 2389 2562
HD	37781 40307 41004 41248
Other	EBLM J0555-57 2MASS J05332802−4257205 NGC 1995 PSR J0437−4715 TOI-270 TOI-1338 WISE 0647−6232

Exoplanets	AB Pictoris b β Pictoris b c HD 40307 b c d e f g HR 2562 b LHS 1815 b TOI-1338 b c

Galaxies

NGC	1705 1803 1998
Other	Pictor A QSO J0529-4351

Category

v t e Galaxies
Morphology	Disc Lenticular barred unbarred Spiral anemic barred flocculent grand design intermediate Magellanic unbarred Dwarf galaxy elliptical irregular spheroidal spiral Elliptical galaxy cD Irregular barred Peculiar Ring Polar
Structure	Active galactic nucleus Bar Bulge Central massive object Galactic Center Dark matter halo Disc Disc galaxy Halo corona Galactic plane Galactic ridge Interstellar medium Protogalaxy Galaxy filament Spiral arm Supermassive black hole Ultramassive
Active nuclei	Blazar LINER Markarian Quasar BL Lacertae object Radio X-shaped DRAGN Relativistic jet Seyfert
Energetic galaxies	Lyman-alpha emitter Lyman-break Luminous infrared ULIRG HLIRG ELIRG Starburst blue compact dwarf pea faint blue Luminous infrared galaxy Hot dust-obscured Green bean galaxy Hanny's Voorwerp Wolf-Rayet galaxy
Low activity	Low surface brightness Ultra diffuse Dark galaxy Red nugget Blue Nugget Dead disk
Interaction	Field Galactic tide Groups and clusters group cluster Brightest cluster galaxy fossil group Interacting merger collision cannibalism Jellyfish Satellite Stellar stream Superclusters Walls Voids and supervoids void galaxy
Lists	Galaxies Galaxies named after people Largest Nearest Polar-ring Ring Spiral Groups and clusters Large quasar groups Quasars List of the most distant astronomical objects Starburst galaxies Superclusters Voids
See also	Extragalactic astronomy Galactic astronomy Galactic coordinate system Galactic habitable zone Galactic magnetic fields Galactic orientation Galactic quadrant Galaxy color–magnitude diagram Galaxy formation and evolution Galaxy rotation curve Gravitational lens Gravitational microlensing Illustris project Intergalactic dust Intergalactic stars Intergalactic travel Population III stars Galaxy X (galaxy)
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