Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21732301c&link_type=abstract
American Astronomical Society, AAS Meeting #217, #323.01; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
Large-scale, high-resolution millimeter-wave observations of the galactic plane provide important measurements of the statistics of clumps hosting cold, dense star-forming regions, and the properties of unpolarized and polarized thermal dust, which present a challenging foreground problem for microwave background experiments probing the signature of inflation, the 'B-mode' polarization . The QUaD galactic plane survey has mapped 800 square degrees of the low-latitude Milky Way in the Southern Hemisphere. Stokes I, Q and U parameters are measured at 100 and 150 GHz, with angular resolution 5 and 3.5 arcmin respectively. I will present measuments of the spectral properties and polarization fractions from diffuse emission, and a catalog of discrete sources extracted from the survey maps will be also described, including rare polarized compact sources. This survey was funded by the National Science Foundation (US) and the Particle Physics and Astronomy Research Council (UK).
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