NGC 255

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NGC 255
NGC 255 DECam.png
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]
Size53,200  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]

Contents

Notes

  1. ↑ RC3 D0 (blue) values used.

References

  1. 1 2 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.
  2. 1 2 3 4 5 6 7 "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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