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)
Constellation	Cetus
Right ascension	00^h 47^m 47.309^s[1]
Declination	−11° 28′ 07.31″[1]
Redshift	0.005287[2]
Helio 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

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.

External links

• Media related to NGC 255 at Wikimedia Commons
• SEDS