NGC 550
| NGC 550 | |
|---|---|
 SDSSimage of NGC 550 | |
| Observation data (J2000epoch) | |
| Constellation | Cetus |
| Right ascension | 01h26m42.560s[1] |
| Declination | +02° 01′ 20.52″[1] |
| Redshift | 0.019560[2] |
| Heliocentric radial velocity | 5807 km/s[2] |
| Distance | 303.7Mly(93.10Mpc)[3] |
| Apparent magnitude(B) | 15.0[2] |
| Characteristics | |
| Type | SB(s)a?[3] |
| Other designations | |
| UGC1021,MCG+00-04-146,PGC5374[2] | |
NGC 550is aspiral galaxyin theconstellation Cetus.It is estimated to be about 300 millionlight-yearsfrom theMilky Way[3]and has adiameterof approximately 110,000 light years. The German-BritishastronomerWilliam Herscheldiscovered it on 8 October 1785.[4][5][6]
Onesupernovahas been observed in NGC 550: SN 1961Q (type unknown, mag. 17.2).[7]
See also
[edit]References
[edit]- ^abSkrutskie, 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.ISSN0004-6256.S2CID18913331.
- ^abcd"NGC 550".SIMBAD.Centre de données astronomiques de Strasbourg.Retrieved2020-05-15.
- ^abc"Results for object NGC 0550 (NGC 550)".NASA/IPAC Extragalactic Database.California Institute of Technology.Retrieved2020-05-15.
- ^"Your NED Search Results".ned.ipac.caltech.edu.Retrieved2020-03-22.
- ^"Revised NGC Data for NGC 550".spider.seds.org.Retrieved2020-03-22.
- ^Ford, Dominic."The galaxy NGC 550 - In-The-Sky.org".in-the-sky.org.Retrieved2020-03-22.
- ^Transient Name Server entry for SN 1961Q.Retrieved 28 March 2023.
External links
[edit]
Media related toNGC 550at Wikimedia Commons
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