| NGC 990 | |
|---|---|
 Pan-STARRS image of NGC 990 | |
| Observation data (J2000 epoch) | |
| Constellation | Aries |
| Right ascension | 02h 36m 18.206s[1] |
| Declination | +11° 38′ 31.57″[1] |
| Redshift | 0.011701[2] |
| Heliocentric radial velocity | 3487 km/s[2] |
| Distance | 153.0 Mly (46.90 Mpc)[3] |
| Apparent magnitude (V) | 12.46[4] |
| Apparent magnitude (B) | 13.49[4] |
| Characteristics | |
| Type | E[2] |
| Other designations | |
| UGC 2089, MCG +02-07-018, PGC 9890[2] | |
NGC 990 is an elliptical galaxy located in the constellation Aries about 153 million light-years from the Milky Way.[3] It was discovered by the German - British astronomer William Herschel in 1786.[5][6]
See also
References
- 1 2 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.
- 1 2 3 4 "NGC 990". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-06-03.
- 1 2 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.
- 1 2 "Search specification: NGC 990". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2020-06-03.
- ↑ Ford, Dominic. "The galaxy NGC 990 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-02-28.
- ↑ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2020-02-28.
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