The evolution of radio galaxies: A VLA survey of high-redshift clusters of galaxies

Details The evolution of radio galaxies: A VLA survey of high-redshift clusters of galaxies The evolution of radio galaxies: A VLA survey of high-redshift clusters of galaxies

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...262...15j&link_type=abstract

Astrophysical Journal, Part 1, vol. 262, Nov. 1, 1982, p. 15-23.

Astronomy and Astrophysics

Astronomy

11

Galactic Clusters, Galactic Evolution, Radio Galaxies, Red Shift, Antenna Arrays, Luminosity, Radio Sources (Astronomy)

Scientific paper

Data from a VLA 1465 MHz survey of high-redshift galaxy clusters with redshifts of 0.25 to 0.9 are presented. Sources are detected in 13 of 55 clusters. The sample shows strong evolution of the radio luminosity function (RLF) during this period even for weak cluster radio galaxies, i.e., those with log P1465 between 24.4 and 25.4 W/Hz. The changes in the RLF with redshift for these galaxies include an increase in the characteristic luminosity above which the slope of the RLF steepens and a moderation or reversal of the initial increase in density of weak sources at larger redshifts.

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