MARIWAN A. RASHEED
Articles written in Journal of Astrophysics and Astronomy
Volume 39 Issue 3 June 2018 Article ID 0035
The rest-frame $(g–r) /M_r$ color–magnitude relations of 12 Abell-type clusters are analyzed in the redshift range ($0.02\lesssim z \lesssim 0.10$) and within a projected radius of 0.75 Mpc using photometric data from SDSS-DR9. We show that the color–magnitude relation parameters (slope, zero-point, and scatter) do not exhibit significant evolution within this low-redshift range. Thus, we can say that during the look-back time of $z \sim 0.1$ all red sequence galaxies evolve passively, without any star formation activity.
Volume 41, 2020
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