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NGC 645

From Wikipedia, the free encyclopedia

NGC 645
SDSS image of NGC 645
Observation data (J2000 epoch)
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 a barred spiral galaxy in the constellation Pisces. It is estimated to be 112 million light-years from the Milky Way[3] and has a diameter of approximately 115,000 light years. The object was discovered on October 27, 1864 by astronomer Albert Marth.[4][5][6]

NGC 645 (SDSS)

See also

References

  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 e "NGC 645". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-20.
  3. ^ a b Tully, 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. Retrieved 2020-04-03.
  5. ^ "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2020-04-03.
  6. ^ "Revised NGC Data for NGC 645". spider.seds.org. Retrieved 2020-04-03.

External links


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This page was last edited on 25 August 2023, at 07:15
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