The TexOx Survey of Radio-Selected Galaxy Clusters

Details The TexOx Survey of Radio-Selected Galaxy Clusters The TexOx Survey of Radio-Selected Galaxy Clusters

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...19916108c&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #161.08; Bulletin of the American Astronomical Society, Vol. 34, p.573

Astronomy and Astrophysics

Astronomy

Scientific paper

We present some initial results from the TexOx (Texas--Oxford) Cluster (TOC) survey -- a new method of selecting distant galaxy clusters. The cosmic evolution of the radio source population suggests that some massive clusters at high redshift will contain several radio-loud AGN. We searched for extreme over-densities at ~ mJy levels in 7 arcmin x 7 arcmin boxes within the NVSS radio catalogue, covering a large ( ~ 1100 deg2) sky area. We have acquired optical images for ~130 cluster candidates, and followed up a subset of these with the VLA, and with Calar Alto near-IR imaging. Ryle Telescope observations have yielded at least one Sunyaev-Zel'dovich (SZ) detection of a massive z ~ 1 system. Spectroscopic follow-up with 8-m class telescopes, including the HET, is in progress.

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