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NGC 3156 is a lenticular galaxy located in the constellation Sextans.[5][6][7] It is located at a distance of about 75 million light-years from Earth and is forming a pair with NGC 3169. It was discovered by astronomer William Herschel on December 13, 1784.[8]

NGC 3156
Observation data (J2000 epoch)
ConstellationSextans
Right ascension10h 12m 41.24591s[1]
Declination+03° 07′ 45.6939″[1]
Redshift0.00415[2]
Heliocentric radial velocity1242 km/s[2]
Distance72.67 ± 0.46 Mly (22.28 ± 0.14 Mpc)[3]
Apparent magnitude (V)12.30[4]
Apparent magnitude (B)13.07[4]
Characteristics
TypeS0[4]
Other designations
UGC 5503, MCG +01-26-019, PGC 29730[2]

It is a member of the NGC 3166 Group of galaxies, which is a member of the Leo II Groups, a series of galaxies and galaxy clusters strung out from the right edge of the Virgo Supercluster.[9][10]

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References

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  1. ^ a b Brown, A. G. A.; et al. (Gaia collaboration) (August 2018). "Gaia Data Release 2: Summary of the contents and survey properties". Astronomy & Astrophysics. 616. A1. arXiv:1804.09365. Bibcode:2018A&A...616A...1G. doi:10.1051/0004-6361/201833051. Gaia DR2 record for this source at VizieR.
  2. ^ a b c "NGC 3156". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-18.
  3. ^ Tully, R. Brent; et al. (2013). "Cosmicflows-2: The Data". The Astronomical Journal. 146 (4): 86. arXiv:1307.7213. Bibcode:2013AJ....146...86T. doi:10.1088/0004-6256/146/4/86. S2CID 118494842.
  4. ^ a b c "Search specification: NGC 3156". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2021-02-18.
  5. ^ Stone, Nicholas C.; van Velzen, Sjoert (2016-06-30). "An enhanced rate of tidal disruptions in the centrally overdense E+A galaxy NGC 3156". The Astrophysical Journal. 825 (1): L14. arXiv:1604.02056. Bibcode:2016ApJ...825L..14S. doi:10.3847/2041-8205/825/1/L14. S2CID 118479040.
  6. ^ "Central regions of the early-type galaxies in the NGC 3169 group". ResearchGate. Retrieved 2020-09-27.
  7. ^ "A Preferred Home for Disrupted Stars". aasnova.org. American Astronomical Society. 13 July 2016. Retrieved 2020-09-27.
  8. ^ Seligman, Courtney. "New General Catalogue objects: NGC 3150 - 3199". cseligman.com. Retrieved 2021-02-18.
  9. ^ "The Leo III Groups". Atlas of the Universe. Archived from the original on July 22, 2012. Retrieved 2010-11-27.
  10. ^ "NAME NGC 3166 Group". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2021-02-18.
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