Right ascension 17 22 Redshift 0.224 | Declination +32° 08′ ICM temperature 7.6 ± 0.30 keV | |
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Distance(co-moving) 909 Mpc (2,965 Mly) h−10.70 Binding mass 2.9 ± 0.5×10 h−10.70 M☉ | ||
Abell 2261 is one of 25 galaxy clusters being studied as part of the Cluster Lensing And Supernova survey with Hubble (CLASH) program, a major project to build a library of scientific data on lensing clusters.
It also has the galaxy A2261-BCG (short for Abell 2261 Brightest Cluster Galaxy) which has the largest galaxy core ever observed.
References
Abell 2261 Wikipedia(Text) CC BY-SA