NGC 255

NGC 255 is a barred spiral galaxy in the constellation Cetus. It was discovered on November 27, 1785, by Frederick William Herschel.[4]

NGC 255
Observation data (J2000 epoch)
ConstellationCetus
Right ascension 00h 47m 47.309s[1]
Declination−11° 28′ 07.31″[1]
Redshift0.005287[2]
Helio radial velocity1585 km/s[2]
Distance59.16 ± 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
TypeSAB(rs)bc[2]
Size53,200 ly (16,310 pc)[2][note 1]
Apparent size (V)3.0′ × 2.5′
Other designations
MGC-02-03-017, PGC 2802

Notes
  1. RC3 D0 (blue) values used.

References
  1. Skrutskie, M. (2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal. 131 (2): 1163–1183. Bibcode:2006AJ....131.1163S. doi:10.1086/498708.
  2. "NED results for object NGC 0255". National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 25 June 2017.
  3. "NGC 255". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 25 June 2017.
  4. Seligman, Courtney. "New General Catalogue objects: NGC 250 - 299". cseligman.com. Retrieved 25 June 2017.


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