Contribution of Extragalactic Radio Sources to Cosmic Microwave Background Anisotropy

Details Contribution of Extragalactic Radio Sources to Cosmic Microwave Background Anisotropy Contribution of Extragalactic Radio Sources to Cosmic Microwave Background Anisotropy

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...191.8706s&link_type=abstract

American Astronomical Society, 191st AAS Meeting, #87.06; Bulletin of the American Astronomical Society, Vol. 29, p.1354

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We present skymaps of the estimated contribution of extragalactic radio sources to the sky temperature over the relevant range of frequencies (30-200 GHz) needed to predict the resultant level of confusion of Cosmic Microwave Background (CMB) anisotropy measurements. CMB anisotropy observations at high resolution are especially sensitive to this foreground. We predict skymaps of extragalactic radio sources at instrument subdegree resolutions. We describe the databases and the modeling routines used to extrapolate or interpolate to the relevant frequencies. Analysis of the temperature anisotropy of these skymaps will provide limits of observational windows available for medium and small-angular scale CMB anisotropy measurements.

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