NGC 4630

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]

NGC 4630
SDSS image of NGC 4630.
Observation data (J2000 epoch)
Constellation	Virgo
Right ascension	12^h 42^m 31.1^s[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]

See also

• List of NGC objects (4001–5000)
• NGC 1427A

References

1. "NASA/IPAC Extragalactic Database". Results for NGC 4630. Retrieved 2017-09-10.
2. "New General Catalog Objects: NGC 4600 - 4649". cseligman.com. Retrieved 2017-09-03.
3. "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2017-09-12.
4. Rojas, Sebastián García. "Galaxy NGC 4630 - Galaxy in Virgo Constellation · Deep Sky Objects Browser". DSO Browser. Retrieved 2017-09-12.
5. Tully, R. B. (June 1982). "The Local Supercluster". The Astrophysical Journal. 257: 389–422. Bibcode:1982ApJ...257..389T. doi:10.1086/159999. ISSN 0004-637X.
6. "The Virgo II Groups". www.atlasoftheuniverse.com. Retrieved 2018-04-02.

External links

• Media related to NGC 4630 at Wikimedia Commons

• NGC 4630 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images