NGC 4163
| NGC4163 | |
|---|---|
 Hubble Space Telescopeimage of NGC 4163 | |
| Observation data (J2000epoch) | |
| Constellation | Canes Venatici |
| Right ascension | 12h12.9m[1] |
| Declination | 36° 10′[1] |
| Distance | 2.959 megaparsecs (9.65 Mly) |
| Apparent magnitude(V) | 14.5[1] |
| Characteristics | |
| Type | dIrr[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 Herschelon April 28, 1785 as NGC 4163.John Herscheldiscovered 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]- ^abcdeDunlop, Storm (2005).Atlas of the Night Sky.Collins.ISBN978-0-00-717223-8.
- ^"NGC 4163".
- ^R. B. Tully (1988).Nearby Galaxies Catalog.Cambridge:Cambridge University Press.ISBN978-0-521-35299-4.
- ^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.ISSN0365-0138.
- ^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.ISSN0365-0138.
External links
[edit]
Media related toNGC 4163at Wikimedia Commons
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