The low-surface-brightness radio source population

Details The low-surface-brightness radio source population The low-surface-brightness radio source population

Oct 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006atnf.prop..496s&link_type=abstract

ATNF proposal C1261, Semester: October, 2006

Mathematics

Logic

Extragalactic, Atca

Scientific paper

Our 20-cm ATCA survey (C1261) of 8.4 square degrees sky area, made with high surface brightness sensitivity, revealed a significant population of extended radio sources with mJy flux density. The aim of this proposal is to image the structures in the complete sample of 500 sources with flux density exceeding 1 mJy, 30% of which have more than 50% of flux density in extended emission. The study of the radio emission in this population of AGNs, at redshifts z~1-2, is a significant part of the census of AGN activity and its cosmological evolution. AGN activity is a signpost for black-hole growth and because of the close link between galaxy assemblage and black-hole growth, the proposed observations are significant for our understanding of galaxy formation.

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