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Abell 2152

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Galaxy cluster in the constellation Hercules
Abell 2152
Observation data (Epoch J2000)
Constellation(s)Hercules
Right ascension16 05 32.2
Declination+16° 26′ 31″
Brightest memberUGC 10204
Richness class1
Redshift0.041
Distance169 Mpc (551 Mly) h
0.73
Other designations
CID 59, CAN 059, MCXC J1605.5+1626, WCB96 J19, SCL 160 NED09, EAD2007 222, ZwCl 1603.0+1639.

Abell 2152 is a bimodal 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. In total there are 41 galaxies which are confirmed to be members of the cluster. The cluster is classified as a Bautz-Morgan type III and Rood-Sastry class F cluster, indicating morphological irregularity and perhaps dynamical youth. It is receding from the Milky Way galaxy with a velocity of 12385 km/s.

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.

References

  1. ^ "VizieR results for J/ApJ/736/21/bg*". VizieR catalogue access tool, CDS. Retrieved June 10, 2017.
  2. ^ "NED results for object ABELL 2152". NASA/IPAC Extragalactic Database (NED). Retrieved June 10, 2017.
  3. Flin; Krywult (2006). "Substructures in Abell clusters of galaxies". Astronomy & Astrophysics. 450 (1): 9–14. Bibcode:2006A&A...450....9F. doi:10.1051/0004-6361:20041635.
  4. Abell; Corwin; Olowin (1989). "A Catalog of Rich Clusters of Galaxies". The Astrophysical Journal Supplement. 70: 1–139. Bibcode:1989ApJS...70....1A. doi:10.1086/191333.
  5. Blakelee; Metzger (2001). "Lensing in the Hercules Supercluster". The Astrophysical Journal. 121 (1): 1–9. arXiv:astro-ph/0010187. Bibcode:2001AJ....121....1B. doi:10.1086/318021. S2CID 17144190.
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