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We correlate the positions of 13,240 Brightest Cluster Galaxies (BCGs) with0.1 <= z <= 0.3 from the maxBCG catalog with radio sources from the FIRSTsurvey to study the sizes and distributions of radio AGN in galaxy clusters. Wefind that 19.7% of our BCGs are associated with FIRST sources, and thisfraction depends on the stellar mass of the BCG, and to a lesser extent on therichness of the parent cluster (in the sense of increasing radio loudness withincreasing mass). The intrinsic size of the radio emission associated with theBCGs peaks at 55 kpc, with a tail extending to 200 kpc. The radio power of theextended sources places them on the divide between FR I and FR II type sources,while sources compact in the radio tend to be somewhat less radio-luminous. Wealso detect an excess of radio sources associated with the cluster, instead ofwith the BCG itself, extending out to ~1.4 Mpc.

Radio AGN in 13,240 galaxy clusters from the Sloan Digital Sky Survey