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NGC 996

From Wikipedia, the free encyclopedia
Galaxy in the constellation Andromeda
NGC 996
DSS image of NGC 996 (center)
Observation data (J2000epoch)
ConstellationAndromeda
Right ascension02h 38m 39.865s[1]
Declination+41° 38′ 51.27″[1]
Redshift0.015409[2]
Heliocentric radial velocity4584 km/s[2]
Distance203.3 Mly (62.34 Mpc)[3]
Apparent magnitude (B)14.5[2]
Characteristics
TypeE[2]
Other designations
UGC 2123,MCG +07-06-045,PGC 10015,CGCG 539-064[2]

NGC 996 is anelliptical galaxy of the Hubble type E0 in theconstellation Andromeda. It is estimated to be 210 millionlight years from theMilky Way and has adiameter of approximately 75,000 ly. It was discovered on December 7, 1871 byastronomerÉdouard Stephan.[4][5][6]

Supernova

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Onesupernova has been observed in NGC 996: SN 1996bq (type unknown, mag. 18.7) was discovered byChristian Pollas on 12 October 1996.[7][8]

See also

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References

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  1. ^abSkrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W.; Chester, Thomas; Elias, Jonathan H.; Huchra, John P.; Liebert, James W.; Lonsdale, Carol J.; Monet, David G.; Price, Stephan; Seitzer, Patrick; Jarrett, Thomas H.; Kirkpatrick, J. Davy; Gizis, John E.; Howard, Elizabeth V.; Evans, Tracey E.; Fowler, John W.; Fullmer, Linda; Hurt, Robert L.; Light, Robert M.; Kopan, Eugene L.; Marsh, Kenneth A.; McCallon, Howard L.; Tam, Robert; Van Dyk, Schuyler D.; Wheelock, Sherry L. (1 February 2006)."The Two Micron All Sky Survey (2MASS)".The Astronomical Journal.131 (2):1163–1183.Bibcode:2006AJ....131.1163S.doi:10.1086/498708.ISSN 0004-6256.S2CID 18913331.
  2. ^abcde"NGC 996".SIMBAD.Centre de données astronomiques de Strasbourg. Retrieved2020-06-03.
  3. ^Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey".The Astrophysical Journal.655 (2):790–813.arXiv:astro-ph/0610732.Bibcode:2007ApJ...655..790C.doi:10.1086/510201.S2CID 11672751.
  4. ^Ford, Dominic."The galaxy NGC 996 - In-The-Sky.org".in-the-sky.org. Retrieved2020-03-24.
  5. ^"Revised NGC Data for NGC 996".spider.seds.org. Retrieved2020-03-24.
  6. ^"Your NED Search Results".ned.ipac.caltech.edu. Retrieved2020-03-24.
  7. ^Pollas, C. (1996)."Supernova 1996bq in NGC 996".International Astronomical Union Circular (6500): 1.Bibcode:1996IAUC.6500....1P.
  8. ^"SN 1996bq".Transient Name Server.IAU. Retrieved9 December 2024.
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