NGC 252 is a lenticular galaxy located in the constellation Andromeda. It was discovered by William Herschel in 1786.[4]
| NGC 252 | |
|---|---|
 SDSS image of NGC 252 | |
| Observation data (J2000 epoch) | |
| Constellation | Andromeda |
| Right ascension | 00h 48m 01.484s[1] |
| Declination | +27° 37′ 25.76″[1] |
| Redshift | 0.016471[2] |
| Heliocentric radial velocity | 4938[2] |
| Distance | 245.54 ± 31.56 Mly (75.283 ± 9.677 Mpc)[2] |
| Apparent magnitude (V) | 13.4 |
| Apparent magnitude (B) | 12.49 |
| Characteristics | |
| Type | (R)SA0+(r)[2] |
| Size | 121.4 kly (37.23 kpc)[2] |
| Apparent size (V) | 1.7′ × 1.309′[2] |
| Other designations | |
| UGC 491, MGC+04-03-004, PGC 2819[3] | |
One supernova has been observed in NGC 252: SN 1998de (type Ia, mag. 18.4).[5]
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 e f "NASA/IPAC Extragalactic Database". Results for NGC 252. Retrieved 12 February 2017.
- ^ "NGC 252". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 12 February 2017.
- ^ "NGC 252 (= PGC 2819)". cseligman. Retrieved 12 February 2017.
- ^ Transient Name Server entry for SN 1998de. Retrieved 30 March 2023.
External links
edit
Media related to NGC 252 at Wikimedia Commons
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