NGC 812 is a spiral galaxy located in the Andromeda constellation, an estimated 175 million light-years from the Milky Way.[3] NGC 812 was discovered on December 11, 1876 by astronomer Édouard Stephan.[5][6][4]
| NGC 812 | |
|---|---|
 DSS image of NGC 812 | |
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 02h 06m 51.497s[1] |
| Declination | +44° 34′ 22.48″[1] |
| Redshift | 0.017469[2] |
| Heliocentric radial velocity | 5191 km/s[2] |
| Distance | 174.4 Mly (53.46 Mpc)[3] |
| Apparent magnitude (B) | 12.8[2] |
| Characteristics | |
| Type | S pec[4] |
| Other designations | |
| UGC 1598, MCG +07-05-014, PGC 8066[2] | |
Two supernovae have been observed in NGC 812: SN 2010jj (type IIn, mag. 17)[7] and SN 2020udy (type Iax[02cx-like], mag. 19.6)[8]
See also
editReferences
edit- ^ 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.
- ^ a b c d "NGC 812". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-24.
- ^ a b Tully, R. Brent; Courtois, Hélène M.; Sorce, Jenny G. (2016). "Cosmicflows-3". The Astronomical Journal. 152 (2): 21. arXiv:1605.01765. Bibcode:2016AJ....152...50T. doi:10.3847/0004-6256/152/2/50. S2CID 250737862. 50.
- ^ a b "Results for object NGC 0812 (NGC 812)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-24.
- ^ Ford, Dominic. "The galaxy NGC 812 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-23.
- ^ "Revised NGC Data for NGC 812". spider.seds.org. Retrieved 2020-03-23.
- ^ "SN 2010jj". Transient Name Server. IAU. Retrieved 5 September 2024.
- ^ "SN 2020udy". Transient Name Server. IAU. Retrieved 5 September 2024.
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