NGC 4647
NGC 4647 | |
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Hubble image of the galaxies Messier 60 (left-center) and NGC 4647 (upper-right).
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Observation data (J2000 epoch) | |
Constellation | Virgo |
Right ascension | 12h 43m 32.3s[1] |
Declination | 11° 34′ 55″[1] |
Redshift | 0.004700/1409 km/s[1] |
Distance | 63 Mly |
Group or cluster | Virgo Cluster |
Type | SAB(rs)c [1] |
Size (ly) | ~90,000 ly (estimated) |
Apparent dimensions (V) | 2.9 x 2.3[1] |
Apparent magnitude (V) | 11.94[1] |
Other designations | |
Arp 116, CGCG 71-15, IRAS 12410+1151, KCPG 353A, MCG 2-33-1, PGC 42816, UGC 7896, V V 206, VCC 1972[1] | |
NGC 4647 is a spiral galaxy located about 63 million light-years away[2] in the constellation of Virgo.[3] It was discovered by astronomer William Herschel on March 15, 1784.[3] NGC 4647 is listed along with Messier 60 as being part of a pair of galaxies called Arp 116.[4][5] The galaxy is a member of the Virgo Cluster.[2][6]
Contents
Physical characteristics
Interaction with Messier 60
In optical images, the two galaxies disks overlap. This has suggesting an ongoing interaction, however images do not reveal any signs of star formation which would have been caused by a tidal interaction between the two galaxies. Recent studies of Hubble images made in 2012 of the two galaxies indicate that tidal interactions between the two have just begun.[7]
SN1979A
On January 25, 1979 a Type-1 supernova was discovered in NGC 4647. [8][9]
See also
External links
- NGC 4647 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
References
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