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NGC 4163

From Wikipedia, the free encyclopedia
Galaxy in constellation Canes Venatici
NGC 4163
Hubble Space Telescope image of NGC 4163
Observation data (J2000epoch)
ConstellationCanes Venatici
Right ascension12h 12.9m[1]
Declination36° 10′[1]
Distance2.959 megaparsecs (9.65 Mly)
Apparent magnitude (V)14.5[1]
Characteristics
TypedIrr[1]
Apparent size (V)1.9 × 1.6[1]
Other designations
NGC 4167, UGC 7199, PGC 38881, MCG 6-27-26

NGC 4163, also known asNGC 4167, is a dwarf irregular galaxy in the constellationCanes Venatici, about 9.65 million light-years away. It was discovered byWilliam Herschel on April 28, 1785 as NGC 4163.John Herschel discovered it again on March 11, 1831 as NGC 4167. It has a size on the night sky of 1.9 x 1.6, which, at its distance, gives a diameter of 4000 light-years. This galaxy consists of young blue stars.[2] It is a member of theM94 Group.[3][4][5]

References

[edit]
  1. ^abcdeDunlop, Storm (2005).Atlas of the Night Sky.Collins.ISBN 978-0-00-717223-8.
  2. ^"NGC 4163".
  3. ^R. B. Tully (1988).Nearby Galaxies Catalog. Cambridge:Cambridge University Press.ISBN 978-0-521-35299-4.
  4. ^Fouque, P.; Gourgoulhon, E.; Chamaraux, P.; Paturel, G. (May 1992). "Groups of galaxies within 80 Mpc. II. The catalogue of groups and group members".Astronomy and Astrophysics Supplement Series.93: 211.Bibcode:1992A&AS...93..211F.ISSN 0365-0138.
  5. ^Garcia, A. M. (July 1993). "General study of group membership. II. Determination of nearby groups".Astronomy and Astrophysics Supplement Series.100: 47.Bibcode:1993A&AS..100...47G.ISSN 0365-0138.

External links

[edit]
  • Media related toNGC 4163 at Wikimedia Commons
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