NGC 4696: a cosmic question mark. Credit: ESA/Hubble and NASA
Centaurus Cluster (A3526) is a cluster of hundreds of galaxies, located approximately 170 million light years away in the Centaurus constellation. The brightest member galaxy is the elliptical galaxy NGC 4696 (~11m). The Centaurus cluster shares its supercluster, the Hydra-Centaurus Supercluster, with IC4329 Cluster and Hydra Cluster.
The cluster consists of two different sub-groups of galaxies with different velocities.
Cen 30 is the main subgroup containing [3 ] NGC 4696. Cen 45 is moving at 1500 km/s relative to Cen 30, and is believed to be merging with the main cluster.
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References [ edit ]
^ a b c d e f "NASA/IPAC Extragalactic Database". Results for Centaurus Cluster . Retrieved . 2006-10-19
^ a b Abell, George O.; Corwin, Harold G., Jr.; Olowin, Ronald P. (May 1989). "A catalog of rich clusters of galaxies" (PDF). Astrophysical Journal Supplement Series 70 (May 1989): 1–138. Bibcode: 1989ApJS...70....1A. doi: 10.1086/191333. ISSN 0067-0049 . Retrieved . March 13, 2012
^ Lucey J.R., Currie M.J., Dickens R.J., 1986, MNRAS, 221, 453, http://adsabs.harvard.edu/abs/1986MNRAS.221..453L
Coordinates: 12 h 48 m 49.3 s, −41° 18′ 40″