The C-Band All-Sky Survey: Instrument design, status, and first-look data

Details The C-Band All-Sky Survey: Instrument design, status, and first-look data The C-Band All-Sky Survey: Instrument design, status, and first-look data

2010-08-24

arxiv.org/abs/1008.4082v1

Proceedings of SPIE MIllimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V (2010)

Astronomy and Astrophysics

Astrophysics

Galaxy Astrophysics

10 pages, 11 figures, published in Proceedings of SPIE MIllimeter, Submillimeter, and Far-Infrared Detectors and Instrumentati

Scientific paper

10.1117/12.858011

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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