Clustering of red and blue galaxies around high-redshift 3C radio sources as seen by the Hubble Space Telescope

To properly understand the evolution of high-redshift galaxy clusters, both passive and star-forming galaxies have to be considered. Here we study the clustering environment of 21 radio galaxies and quasars at 1 1.6, red overdensities at 1.2

Keywords:

• Astrophysics
• Physics
• Radio galaxy
• Quasar
• hubble space telescope
• Redshift
• Galaxy
• Galaxy cluster
• Cluster analysis
• Cluster (physics)

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