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NGC 996

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NGC 996
DSS image of NGC 996 (center)
Observation data (J2000 epoch)
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 an elliptical galaxy of the Hubble type E0 in the constellation Andromeda. It is estimated to be 210 million light years from the Milky Way and has a diameter of approximately 75,000 ly. It was discovered on December 7, 1871 by astronomer Édouard Stephan.[4][5][6]

Supernova

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

See also

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References

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  1. ^ a b Skrutskie, 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. ^ a b c d e "NGC 996". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-06-03.
  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. Retrieved 2020-03-24.
  5. ^ "Revised NGC Data for NGC 996". spider.seds.org. Retrieved 2020-03-24.
  6. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2020-03-24.
  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. Retrieved 9 December 2024.


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