NGC 4634 is an edge-on barred spiral galaxy[4] located about 70 million light-years away in the constellation of Coma Berenices.[5] NGC 4634 was discovered by astronomer William Herschel on January 14, 1787.[6] It is interacting with the spiral galaxy NGC 4633.[5] Both galaxies are members of the Virgo Cluster.[7][8]

NGC 4634
Picture of NGC 4634 produced by the Hubble Space Telescope's Advanced Camera for Surveys and the Wide Field and Planetary Camera 2
Observation data (J2000 epoch)
ConstellationComa Berenices
Right ascension12h 42m 40.986s[1]
Declination+14° 17′ 45.15″[1]
Redshift0.000991[2]
Heliocentric radial velocity297[2]
Group or clusterVirgo Cluster
Apparent magnitude (V)11.67[2]
Apparent magnitude (B)13.6[3]
Absolute magnitude (V)-17.96[2]
Characteristics
TypeSBcd[2]
Size49,800 ly (15.28 kpc)[2]
Apparent size (V)2.6 × 0.494[2]
Other designations
UGC 7875, PGC 42707, VCC 1932, MGC+03-32-086[3]
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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 e f g "NED results for object NGC 4634". National Aeronautics and Space Administration / Infrared Processing and Analysis Center. Retrieved 13 February 2017.
  3. ^ a b "NGC 4634". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 13 February 2017.
  4. ^ "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-09-14.
  5. ^ a b "Glowing gas and dark dust in a side-on spiral". www.spacetelescope.org. Retrieved 2017-09-14.
  6. ^ "New General Catalog Objects: NGC 4600 - 4649". cseligman.com. Retrieved 2017-09-14.
  7. ^ "The Virgo Cluster". www.atlasoftheuniverse.com. Retrieved 2017-09-14.
  8. ^ "NGC 4633 and 4634 May be Interacting - CCD Imaging & Processing - Cloudy Nights". Cloudy Nights. Retrieved 2017-09-14.
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