Astronomy:NGC 4630
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Short description: Irregular galaxy in the constellation Virgo
| NGC 4630 | |
|---|---|
 SDSS image of NGC 4630. | |
| Observation data (J2000 epoch) | |
| Constellation | Virgo |
| Right ascension | 12h 42m 31.1s[1] |
| Declination | 03° 57′ 37″[1] |
| Redshift | 0.002458/737 km/s[1] |
| Distance | 53,823,000 ly |
| Group or cluster | Virgo II Groups |
| Apparent magnitude (V) | 13.15[1] |
| Characteristics | |
| Type | IB(s)m[1] |
| Size | ~29,292.76 ly (estimated) |
| Apparent size (V) | 1.8 x 1.3[1] |
| Other designations | |
| PGC 42688, UGC 7871, VCC 1923[1] | |
NGC 4630 is an irregular galaxy[2] located about 54 million light-years away[3] in the constellation of Virgo.[4] NGC 4630 was discovered by astronomer William Herschel on February 2, 1786.[2] NGC 4630 is part of the Virgo II Groups[5] which form a southern extension of the Virgo Cluster.[6]
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "NASA/IPAC Extragalactic Database". Results for NGC 4630. http://nedwww.ipac.caltech.edu/.
- ↑ 2.0 2.1 "New General Catalog Objects: NGC 4600 - 4649" (in en-US). http://cseligman.com/text/atlas/ngc46.htm#4630.
- ↑ "Your NED Search Results". http://ned.ipac.caltech.edu/cgi-bin/objsearch?objname=NGC+4630&extend=no&hconst=73&omegam=0.27&omegav=0.73&corr_z=1&out_csys=Equatorial&out_equinox=J2000.0&obj_sort=RA+or+Longitude&of=pre_text&zv_breaker=30000.0&list_limit=5&img_stamp=YES.
- ↑ Rojas, Sebastián García. "Galaxy NGC 4630 - Galaxy in Virgo Constellation · Deep Sky Objects Browser" (in en). https://dso-browser.com/deep-sky/5693/ngc-4630/galaxy.
- ↑ Tully, R. B. (June 1982). "The Local Supercluster" (in en). The Astrophysical Journal 257: 389–422. doi:10.1086/159999. ISSN 0004-637X. Bibcode: 1982ApJ...257..389T.
- ↑ "The Virgo II Groups". http://www.atlasoftheuniverse.com/galgrps/virii.html.
External links
- NGC 4630 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
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