NGC 812

NGC 812
DSS image of NGC 812
Observation data (J2000 epoch)
Constellation	Andromeda
Right ascension	02^h 06^m 51.497^s[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]

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]

Supernovae

Two supernovae have been observed in NGC 812:

• SN 2010jj (type IIn, mag. 17) was discovered by Doug Rich on 3 November 2010.^[7][8]
• SN 2020udy (type Iax[02cx-like], mag. 19.6) was discoverd by Jakob Nordin and Daniel Perley on 24 September 2020.^[9]

See also

• List of NGC objects (1–1000)

References

1. 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. "NGC 812". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-24.
3. 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.
4. "Results for object NGC 0812 (NGC 812)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-24.
5. Ford, Dominic. "The galaxy NGC 812 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-23.
6. "Revised NGC Data for NGC 812". spider.seds.org. Retrieved 2020-03-23.
7. Rich, D. (2010). "Supernova 2010jj in NGC 812". Central Bureau Electronic Telegrams. 2530: 1. Bibcode:2010CBET.2530....1R.
8. "SN 2010jj". Transient Name Server. IAU. Retrieved 5 September 2024.
9. "SN 2020udy". Transient Name Server. IAU. Retrieved 5 September 2024.