NGC 3842

NGC 3842
legacy surveys image of NGC 3842 (center). The image also shows NGC 3837, NGC 3841, NGC 3844, NGC 3845, NGC 3851 and UGC 6697
Observation data (J2000 epoch)
ConstellationLeo
Right ascension11h 44m 02.2s[1]
Declination19° 56′ 59.3″[1]
Redshift0.021068 ± 0.000031[1]
Heliocentric radial velocity6316 ± 9 km/s[1]
Distance325 Mly (99.6 Mpc)
Group or clusterLeo Cluster
Apparent magnitude (V)12.78[1]
Characteristics
TypeE[1]
Apparent size (V)1.4 x 1.0[1]
Notable featuresbrightest member of the Leo Cluster, has a 9.7 billion solar mass black hole
Other designations
UGC 6704, PGC 36487, MCG 3-30-72, ZWG 97.95,[1]

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 330 million light-years distant from Earth.

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

References

  1. ^ a b c d e f g h "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.
  • Media related to NGC 3842 at Wikimedia Commons


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