NGC 546 (also known as ESO 296-25, IRAS 01229-3819, MCG −6-4-29 and PGC 5255) is a barred spiral galaxy about 270 million light years[3] away from Earth and located in the constellation Sculptor. The largest diameter is 1.40 (122 thousand light years) and the smallest is 0.5 angular minutes (43 thousand light years). The first discovery was made by John Frederick William Herschel on 23 October 1835.

NGC 546
legacy surveys image of NGC 546 (top) and NGC 544 (bottom)
Observation data (J2000 epoch)
ConstellationSculptor
Right ascension01h 25m 12.809s[1]
Declination−38° 04′ 08.50″[1]
Redshift0.021922[2]
Heliocentric radial velocity6500 km/s[2]
Distance266.34 ± 0.65 Mly (81.66 ± 0.20 Mpc)[3]
Apparent magnitude (B)14.48[2]
Characteristics
TypeSB(s)b: pec[4]
Other designations
MCG -06-04-029, PGC 5255[2]

References

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  1. ^ 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.
  2. ^ a b c d "NGC 546". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2 February 2021.
  3. ^ a b Tully, R. Brent; et al. (2013). "Cosmicflows-2: The Data". The Astronomical Journal. 146 (4): 86. arXiv:1307.7213. Bibcode:2013AJ....146...86T. doi:10.1088/0004-6256/146/4/86. S2CID 118494842.
  4. ^ "Results for object NGC 0546 (NGC 546)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2 February 2021.