astro.wikisort.org - GalaxyAbell 2152 is a bimodal[3] galaxy cluster and one of three clusters comprising the Hercules Supercluster. It contains 3 BCGs; the S0 lenticular UGC 10204, the pair UGC 10187, and the SA0 unbarred lenticular CGCG 108-083.[2] In total there are 41 galaxies which are confirmed to be members of the cluster.[1] The cluster is classified as a Bautz-Morgan type III and Rood-Sastry class F cluster, indicating morphological irregularity and perhaps dynamical youth.[4] It is receding from the Milky Way galaxy with a velocity of 12385 km/s.[2]
Galaxy cluster in the constellation Hercules
Abell 2152 |
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Constellation(s) | Hercules |
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Right ascension | 16h 05m 32.2s |
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Declination | +16° 26′ 31″ |
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Brightest member | UGC 10204[1] |
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Richness class | 1[2] |
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Redshift | 0.041[2] |
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Distance (co-moving) | 169 Mpc (551 Mly) h−1 0.73[2] |
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CID 59 , CAN 059 , MCXC J1605.5+1626, WCB96 J19, SCL 160 NED09, EAD2007 222, ZwCl 1603.0+1639.[2] |
See also: Galaxy group, Galaxy cluster, List of galaxy groups and clusters |
Abell 2152 is the nearest cluster in which significant gravitational lensing of a background source has been observed. The arc-like background galaxy, known as J160529.52+162633.9, lies at a redshift z=0.1423 and has been magnified by a factor ~1.9 due to the lensing effect.[5]
References
Constellation of Hercules |
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