Messier 60
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| Galaxy | List of galaxies |
|---|---|
| Observation data (Epoch J2000) |
|
| Constellation | Virgo |
| Right ascension | 12h 43m 39.6s[1] |
| Declination | +11° 33′ 09″[1] |
| Redshift | 1117 ± 6 km/s[1] |
| Distance | 54.9 ± 3.8 Mly[2] |
| Type | E2[1] |
| Apparent dimensions (V) | 7′.4 × 6′.0[1] |
| Apparent magnitude (V) | 9.8[1] |
| Notable features | |
| Other designations | |
|
PGC 42831[1] Arp 116[1] |
|
Messier 60 (also known as NGC 4649) is an elliptical galaxy approximately 60 million light-years away in the constellation Virgo.
It was discovered by Johann Gottfried Koehler in 1779. M60 is the third brightest giant elliptical galaxies of the Virgo cluster of galaxies, and is the dominant member of a subcluster of 4 galaxies, which is the closest known isolated compact group of galaxies. A supernova (SN 2004W) was observed in Messier 60.
Messier 60 is in the process of colliding and merging with NGC 4647, an unbarred spiral galaxy).
[edit] See also
[edit] External links
[edit] References
- ^ a b c d e f g h i NASA/IPAC Extragalactic Database. Results for NGC 4649. Retrieved on 2006-08-30.
- ^ J. L. Tonry, A. Dressler, J. P. Blakeslee, E. A. Ajhar, A. B. Fletcher, G. A. Luppino, M. R. Metzger, C. B. Moore (2001). "The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances". Astrophysical Journal 546 (2): 681-693.
- ^ distance × sin( diameter_angle / 2 ) = 59 kly. radius
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