The angular power spectra of polarized Galactic synchrotron
M. Tucci, E. Carretti, S. Cecchini, R. Fabbri, M. Orsini, E. Pierpaoli
Abstract
We derive the angular power spectra of intensity and polarization of Galactic synchrotron emission in the range 36 < l < 103 from the Parkes survey mapping the southern Galactic plane at 2.4 GHz. The polarization spectra of both electric and magnetic parity up to l 103 are approximated very well by power laws with slope coefficients 1.4, quite different from the CMB spectra. We show that no problem should arise from Galactic synchrotron for measurements of CMB polarization in the cosmological window.
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