NGC 4394

NGC 4394 is a SBb barred spiral galaxy in the constellation Coma Berenices and is situated about 39.5 million light-years (12.1 megaparsecs) from Earth.[4] It was discovered on 14 March 1784 by the German–British astronomer William Herschel.[3] It is a presumed companion to the lenticular galaxy M85 / NGC 4382, which lies 8 arc minutes away.[3] It is also a member of the Virgo Cluster.[5][6]

NGC 4394
NGC 4394 taken by Hubble Space Telescope.[1]
Observation data (J2000 epoch)
Right ascension	12^h 25^m 55.624^s[2]
Declination	+18° 12′ 50.13″[2]
Redshift	0.003075[3]
Helio radial velocity	922±4 km/s[4]
Galactocentric velocity	886±4 km/s[2]
Distance	39.5±2.9 Mly (12.1±0.9 Mpc)[4]
Group or cluster	Virgo Cluster
Apparent magnitude (V)	10.9[4]
Apparent magnitude (B)	11.9[2]
Absolute magnitude (V)	-20.49[4]
Characteristics
Type	SBb / (R)SB(r)b[4]
Size	41.2×38.8 kly (12.7×11.3 kpc)[4]
Apparent size (V)	3.6′×3.2′[4][3]
Other designations
NGC 4394, UGC 7523, PGC 40614, MCG+03-32-035[3]

References

1. "Hubble spies NGC 4394". Retrieved 4 May 2016.
2. "Search Results for NGC 4394". Retrieved 4 May 2016.
3. "The NGC/IC Project for object NGC 4394". Archived from the original on 20 May 2012. Retrieved 5 May 2016.
4. "NASA/IPAC Extragalactic Database (NED) results for object NGC 4394". Retrieved 5 May 2016.
5. "Detailed Object Classifications". ned.ipac.caltech.edu. Retrieved 2017-08-25.
6. "The Virgo Cluster". www.atlasoftheuniverse.com. Retrieved 2017-08-25.

External links

• Media related to NGC 4394 at Wikimedia Commons