Astronomy:NGC 255

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Short description: Galaxy in the constellation Cetus
NGC 255
NGC 255 DECam.png
NGC 255 with DECam
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

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

Notes

  1. RC3 D0 (blue) values used.

References

  1. 1.0 1.1 Skrutskie, Michael F.; Cutri, Roc M.; Stiening, Rae; Weinberg, Martin D.; Schneider, Stephen E.; Carpenter, John M.; Beichman, Charles A.; Capps, Richard W. et al. (1 February 2006). "The Two Micron All Sky Survey (2MASS)". The Astronomical Journal 131 (2): 1163–1183. doi:10.1086/498708. ISSN 0004-6256. Bibcode2006AJ....131.1163S. 
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 "NED results for object NGC 0255". National Aeronautics and Space Administration / Infrared Processing and Analysis Center. http://nedwww.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=NGC+255&extend=no&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES. 
  3. "NGC 255". SIMBAD. Centre de données astronomiques de Strasbourg. http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=NGC+255. 
  4. Seligman, Courtney. "New General Catalogue objects: NGC 250 - 299". http://cseligman.com/text/atlas/ngc2a.htm#255. 

External links