15 July 2010 The C-Band All-Sky Survey: instrument design, status, and first-look data
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Abstract
The C-Band All-Sky Survey (C-BASS) aims to produce sensitive, all-sky maps of diffuse Galactic emission at 5 GHz in total intensity and linear polarization. These maps will be used (with other surveys) to separate the several astrophysical components contributing to microwave emission, and in particular will allow an accurate map of synchrotron emission to be produced for the subtraction of foregrounds from measurements of the polarized Cosmic Microwave Background. We describe the design of the analog instrument, the optics of our 6.1 m dish at the Owens Valley Radio Observatory, the status of observations, and first-look data.
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Oliver G. King, Charles Copley, Rod Davies, Richard Davis, Clive Dickinson, Yaser A. Hafez, Christian Holler, Jaya John John, Justin L. Jonas, Michael E. Jones, J. Patrick Leahy, Stephen J. C. Muchovej, Timothy J. Pearson, Anthony C. S. Readhead, Matthew A. Stevenson, Angela C. Taylor, "The C-Band All-Sky Survey: instrument design, status, and first-look data", Proc. SPIE 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, 77411I (15 July 2010); doi: 10.1117/12.858011; https://doi.org/10.1117/12.858011
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