NGC 3842

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NGC 3842
Observation data (J2000 epoch)
Constellation Leo
Right ascension 11h 44m 02.2s[1]
Declination +19° 56′ 59.3″[1]
Redshift 0.021068
Helio radial velocity 6318 ± 9 km/s[1]
Group or cluster Leo Cluster
Apparent magnitude (V) 12.8[1]
Characteristics
Apparent size (V) 1,4' x 1,0'[1]
Other designations
UGC 6704, PGC 36487, MCG 3-30-72, ZWG 97.95,[1]
See also: Galaxy, List of galaxies

NGC 3842 is an elliptical galaxy in the constellation of Leo. It was discovered by William Herschel. It is notable for containing one of the largest black holes ever detected, reported to have a mass of 9.7 billion solar masses.[2] It is around 331 million light-years distant from Earth.

NGC 3842 is the brightest member[3] of the Leo Cluster.[4][5]

References[edit]

  1. ^ a b c d e f "NASA/IPAC Extragalactic Database". Results for NGC 3842. Retrieved 2011-12-05. 
  2. ^ Rincon, Paul (2011-12-05). "Team sees biggest black holes yet". bbc.co.uk. Retrieved 2011-12-05. 
  3. ^ "NGC 3842". Retrieved 2018-04-19. 
  4. ^ "Are You Ready, Willing, and Abell? - Sky & Telescope". Sky & Telescope. 2017-04-26. Retrieved 2018-04-19. 
  5. ^ "Record massive black holes discovered lurking in monster galaxies". Berkeley News. 2011-12-05. Retrieved 2018-04-19. 

Coordinates: Sky map 11h 40m 44.2s, +22° 25′ 46″