Abell 2261

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Abell 2261
Galaxy Cluster Abell 2261.jpg
Abell 2261
Credit: Hubble Space Telescope
Observation data (Epoch 2000)
Right ascension 17h 22m
Declination +32° 08′
Redshift 0.224
Distance
(co-moving)
909 Mpc (2,965 Mly) h−1
0.70
ICM temperature 7.6 ± 0.30 keV
Binding mass 2.9 ± 0.5×1014 h−1
0.70
 M
X-ray luminosity 18.0 ± 0.2 ×1044 erg s−1 (bolometric)
See also: Galaxy groups, Galaxy clusters, List of galaxy clusters

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.[1]

It also has the galaxy A2261-BCG (short for Abell 2261 Brightest Cluster Galaxy) which has the largest galaxy core ever observed.[2]

References[edit]

  1. ^ "NASA - Monster Galaxy May Have Been Stirred Up By Black-hole Mischief". www.nasa.gov. October 25, 2012. Retrieved 2016-07-15. 
  2. ^ "Monster Galaxy's Core Is Biggest Ever Seen". www.space.com. October 26, 2012. Retrieved 2016-07-15.