High-redshift radio galaxies from SUMSS

Details High-redshift radio galaxies from SUMSS High-redshift radio galaxies from SUMSS

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atnf.prop.1117h&link_type=abstract

ATNF proposal C1000, Semester: October, 2007

Physics

Extragalactic, Atca

Scientific paper

High-redshift radio galaxies are unique laboratories for studying the formation and evolution of the most massive galaxies in the early universe. Ultra-steep spectrum (USS) selection is an effective way of identifying massive galaxies at high redshift. We have obtained radio and near-infrared images for over 300 USS galaxies in the southern hemisphere, and are now conducting the first comprehensive study of their environments. In this proposal we plan to obtain high-resolution 6 and 3 cm polarimetric images of a subset of 50 sources from our USS sample to determine the physical conditions in the medium surrounding these powerful radio galaxies.

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