NGC_255 Knowpia

NGC 255
NGC 255
	NGC 255 with DECam
Observation data (J2000 epoch)
Constellation	Cetus
Right ascension	00h 47m 47.309s
Declination	−11° 28′ 07.31″
Redshift	0.005287
Heliocentric radial velocity	1585 km/s
Distance	59.16 ± 4.75 Mly (18.140 ± 1.457 Mpc)
Apparent magnitude (V)	11.70
Apparent magnitude (B)	12.5
Absolute magnitude (V)	−19.59
Characteristics
Type	SAB(rs)bc
Size	53,200 ly (16,310 pc)
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]

Notes 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 ^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.