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.
@article{arxiv.1008.4082,
title = {The C-Band All-Sky Survey: Instrument design, status, and first-look data},
author = {Oliver G. King and Charles Copley and Rod Davies and Richard Davis and Clive Dickinson and Yaser A. Hafez and Christian Holler and Jaya John John and Justin L. Jonas and Michael E. Jones and J. Patrick Leahy and Stephen J. C. Muchovej and Timothy J. Pearson and Anthony C. S. Readhead and Matthew A. Stevenson and Angela C. Taylor},
journal= {arXiv preprint arXiv:1008.4082},
year = {2010}
}
Comments
10 pages, 11 figures, published in Proceedings of SPIE MIllimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V (2010), Vol. 7741, 77411I-1 - 77411I-10