This assignment involves some analysis on the galaxy cluster Abell 2255. An SDSS image of the cluster is shown below. The cluster core has coordinates of RA = 258.1292 deg, Dec = 64.0925 deg. The data on member galaxies of the cluster can be downloaded from here : ABELL2255
The separate columns (comma separated values) in the data file are as follows:
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March 2017
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