Faint Gigahertz peaked spectrum sources and the evolution of young radio sources

Abstract

GPS sources are the objects of choice to study the initial evolution of extragalactic radio sources, since it is most likely that they are the young counterparts of large scale radio sources. Correlations found between their peak frequency, peak flux density and angular size provide strong evidence that synchrotron self absorption is the cause of the spectral turnovers, and indicate that young radio sources evolve in a self-similar way. The difference in redshift distribution between young and old radio sources must be due to a difference in slope of their luminosity functions, and we argue that this slope is strongly affected by the luminosity evolution of the individual sources. A luminosity evolution scenario is proposed in which GPS sources increase in luminosity and large scale radio sources decrease in luminosity with time. It is shown that such a scenario agrees with the local luminosity function of GPS galaxies.

Late, 6 pages, 2 figs. To appear in the proceedings of EVN/JIVE Symposium No 4, New Astronomy Reviews (eds. Garrett et al.). For related papers, see http://www.ast.cam.ac.uk/~snellen

References in corpus (3)

• Evolutionary tracks of FRII sources through the P-D diagram
• A complete sample of GHz-Peaked-Spectrum radio sources and its radio properties
• A new sample of faint Gigahertz Peaked Spectrum radio sources

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