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NGC 3842

Coordinates:Sky map11h 40m 44.2s, +22° 25′ 46″
From Wikipedia, the free encyclopedia
Galaxy in the constellation Leo
NGC 3842
legacy surveys image of NGC 3842 (center). The image also showsNGC 3837,NGC 3841,NGC 3844,NGC 3845,NGC 3851 andUGC 6697
Observation data (J2000epoch)
ConstellationLeo
Right ascension11h 44m 02.2s[1]
Declination19° 56′ 59.3″[1]
Redshift0.021068 ± 0.000031[1]
Heliocentric radial velocity6316 ± 9km/s[1]
Distance325 Mly (99.6 Mpc)
Group orclusterLeo Cluster
Apparent magnitude (V)12.78[1]
Characteristics
TypeE[1]
Apparent size (V)1.4 x 1.0[1]
Notable featuresbrightest member of theLeo 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 anelliptical galaxy in theconstellation ofLeo. It was discovered byWilliam Herschel. It is notable for containing one of thelargest 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 theLeo Cluster.[4][5]

References

[edit]
  1. ^abcdefgh"NASA/IPAC Extragalactic Database".Results for NGC 3842. Retrieved2011-12-05.
  2. ^Rincon, Paul (2011-12-05)."Team sees biggest black holes yet". bbc.co.uk. Retrieved2011-12-05.
  3. ^"NGC 3842". Retrieved2018-04-19.
  4. ^"Are You Ready, Willing, and Abell? - Sky & Telescope".Sky & Telescope. 2017-04-26. Retrieved2018-04-19.
  5. ^"Record massive black holes discovered lurking in monster galaxies".Berkeley News. 2011-12-05. Retrieved2018-04-19.

External links

[edit]
  • Media related toNGC 3842 at Wikimedia Commons


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