Observations at 7 mm of a Complete Sample of 148 GHz Sources

Details Observations at 7 mm of a Complete Sample of 148 GHz Sources Observations at 7 mm of a Complete Sample of 148 GHz Sources

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atnf.prop.3448p&link_type=abstract

ATNF proposal C2423, Semester: October, 2010

Computer Science

Active Galactic Nuclei / Quasars, Surveys And Studies Of Distant Galaxies, Atca

Scientific paper

The Atacama Cosmology Telescope (ACT) has measured 148GHz flux densities for hundreds of extragalactic sources, down to a threshold of 20mJy. This proposal focuses of 159 sources in one of ACT's southern fields. Of these, only 48 are not identified in the AT20G (Murphy et al. 2010). ACT also found 11 additional sources at 218GHz not seen either 148 or 20GHz (or, in some cases, in PMN or SUMSS). We request 19h to explore the mm spectra of the ACT sources, to determine if they are inverted-spectrum synchrotron emitters, gravitationally lensed dusty galaxies or variable sources. A companion proposal led by T. Marriage addresses 5-20GHz measurementd of the ACT sources not seen in AT20G. Results from these two programs will substantially improve models of the radio source contamination in current and future programs to measure CMB fluctuations and SZ effect.

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