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NGC 42

From Wikipedia, the free encyclopedia
Galaxy located in the constellation Pegasus
NGC 42
SDSS image of NGC 42
Observation data (J2000 epoch)
Constellation Pegasus
Right ascension 00h 12m 56.361s[1]
Declination +22° 06′ 01.00″[1]
Redshift 0.019927[2]
Heliocentric radial velocity 5914 km/s[2]
Distance 263.2 Mly (80.70 Mpc)[3]
Apparent magnitude (B)15.07[4]
Characteristics
Type S0−:[5]
Other designations
UGC 118, MCG +04-01-041, PGC 867[2]

NGC 42 is a lenticular galaxy [5] in the Pegasus constellation. It was discovered on October 30, 1864, by the German astronomer Albert Marth. It may be gravitationally interacting with the nearby NGC 41.[6]

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 "NGC 42". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2021年02月04日.
  3. ^ Crook, Aidan C.; Huchra, John P.; Martimbeau, Nathalie; Masters, Karen L.; Jarrett, Tom; Macri, Lucas M. (2007). "Groups of Galaxies in the Two Micron All Sky Redshift Survey". The Astrophysical Journal. 655 (2): 790–813. arXiv:astro-ph/0610732 . Bibcode:2007ApJ...655..790C. doi:10.1086/510201. S2CID 11672751.
  4. ^ "Search specification: NGC 42". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2021年02月04日.
  5. ^ a b "Results for object NGC 0042 (NGC 42)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2021年02月04日.
  6. ^ Seligman, Courtney. "New General Catalogue objects: NGC 1 - 49". cseligman.com. Retrieved 2021年02月04日.
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  • Media related to NGC 42 at Wikimedia Commons

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