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NGC 939 is a lenticular or elliptical galaxy in the constellation Eridanus. It is estimated to be 241 million light-years from the Milky Way[3] and has a diameter of approximately 80,000 ly. NGC 939 was discovered on October 18, 1835 by astronomer John Herschel.[5][6]

NGC 939
DSS image of NGC 939
Observation data (J2000 epoch)
ConstellationEridanus
Right ascension02h 26m 21.312s[1]
Declination−44° 26′ 46.08″[1]
Redshift0.017186[2]
Helio radial velocity5108 km/s[2]
Distance241.4 ± 17.0 Mly (74.01 ± 5.22 Mpc)[3]
Apparent magnitude (B)14.06[2]
Characteristics
TypeS0/a[2]/E[4]
Other designations
MCG -07-06-004, PGC 9271[2]

NGC 939 is better seen from the southern hemisphere because of its location south of the celestial equator.[7]


See also



References


  1. 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: 1163–1183. doi:10.1086/498708. ISSN 0004-6256.
  2. "NGC 939". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 2020-05-30.
  3. "Results for object NGC 0939 (NGC 939)". NASA/IPAC Extragalactic Database. California Institute of Technology. Retrieved 2020-05-30.
  4. "Search specification: NGC 939". HyperLeda. Université Claude Bernard Lyon 1. Retrieved 2020-05-30.
  5. "Revised NGC Data for NGC 939". spider.seds.org. Retrieved 2020-03-26.
  6. Ford, Dominic. "The galaxy NGC 939 - In-The-Sky.org". in-the-sky.org. Retrieved 2020-03-26.
  7. "NGC 939 - Elliptical Galaxy | TheSkyLive.com". theskylive.com. Retrieved 2020-12-04.



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[de] NGC 939

NGC 939 ist eine elliptische Galaxie vom Hubble-Typ E im Sternbild Eridanus am Südsternhimmel. Sie ist schätzungsweise 226 Millionen Lichtjahre von der Milchstraße entfernt und hat einen Durchmesser von etwa 80.000 Lj.
- [en] NGC 939


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