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NGC 645

From Wikipedia, the free encyclopedia
Galaxy in the constellation Perseus
NGC 645
SDSS image of NGC 645
Observation data (J2000epoch)
ConstellationPisces
Right ascension01h 40m 08.698s[1]
Declination+05° 43′ 36.18″[1]
Redshift0.011028[2]
Heliocentric radial velocity3288 km/s[2]
Distance112.1 Mly (34.36 Mpc)[3]
Apparent magnitude (B)13.8[2]
Characteristics
TypeSB:b[2]
Other designations
UGC 1177,MCG +01-05-016,PGC 6172[2]

NGC 645 is abarred spiral galaxy in theconstellationPisces. It is estimated to be 112 millionlight-years from theMilky Way[3] and has adiameter of approximately 115,000 light years. The object was discovered on October 27, 1864 byastronomerAlbert Marth.[4][5][6]

NGC 645 (SDSS)

See also

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References

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  1. ^abSkrutskie, 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. ^abcde"NGC 645".SIMBAD.Centre de données astronomiques de Strasbourg. Retrieved2020-05-20.
  3. ^abTully, R. Brent; Courtois, Hélène M.; Sorce, Jenny G. (2016)."Cosmicflows-3".The Astronomical Journal.152 (2): 21.arXiv:1605.01765.Bibcode:2016AJ....152...50T.doi:10.3847/0004-6256/152/2/50.S2CID 250737862. 50.
  4. ^Ford, Dominic."The galaxy NGC 645 - In-The-Sky.org".in-the-sky.org. Retrieved2020-04-03.
  5. ^"Your NED Search Results".ned.ipac.caltech.edu. Retrieved2020-04-03.
  6. ^"Revised NGC Data for NGC 645".spider.seds.org. Retrieved2020-04-03.

External links

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  • Media related toNGC 645 at Wikimedia Commons
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