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Polarization sky surveys at cm wavelengths

by Gianni Bernardi (Harvard-Smithsonian Center for Astrophysics, Cambridge, US)

Feb 07, 2013 from 02:00 PM to 05:00 PM

Where Seminars' room, floor -1, via Ranzani 1

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I will describe the results of a long term survey program to
observe Galactic polarization at cm wavelengths. The motivation of the
survey is to understand the impact of Galactic polarized synchrotron
radiation on observations of the CMB polarization and to study the Galactic
magnetic field. In particular, I will report on the recently completed 2.3
GHz survey of the whole Southern Hemisphere, which led to the unexpected
discovery of giant outflows from the Galactic Centre, the "radio footprint"
of the gamma-ray bubbles discovered by the Fermi telescope"

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