| NGC 255 | |
|---|---|
 NGC 255 with DECam | |
| Observation data (J2000 epoch) | |
| Constellation | Cetus |
| Right ascension | 00h 47m 47.309s[1] |
| Declination | −11° 28′ 07.31″[1] |
| Redshift | 0.005287[2] |
| Heliocentric radial velocity | 1585 km/s[2] |
| Distance | 59.16 ± 4.75 Mly (18.140 ± 1.457 Mpc)[2] |
| Apparent magnitude (V) | 11.70[2] |
| Apparent magnitude (B) | 12.5[3] |
| Absolute magnitude (V) | −19.59[2] |
| Characteristics | |
| Type | SAB(rs)bc[2] |
| Size | 53,200 ly (16,310 pc)[2][note 1] |
| Apparent size (V) | 3.0′ × 2.5′ |
| Other designations | |
| MGC -02-03-017, PGC 2802 | |
NGC 255 is a barred spiral galaxy in the constellation Cetus. It was discovered on November 27, 1785, by Frederick William Herschel.[4]
- ^ 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 g "NED results for object NGC 0255". National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 25 June 2017.
- ^ "NGC 255". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 25 June 2017.
- ^ Seligman, Courtney. "New General Catalogue objects: NGC 250 - 299". cseligman.com. Retrieved 25 June 2017.
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