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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
The Sky Polarization Observatory
New Astronomy, Volume 9, No. 4, Year 2004
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Description
The Sky Polarization Observatory (SPOrt) is an ASI-funded experiment specifically designed to measure the sky polarization at 22, 32 and 90 GHz, which was selected in 1997 by ESA to be flown on the International Space Station. Starting in 2006 and for at least 18 months, it will be taking direct and simultaneous measurements of the Stokes parameters Q and U at 660 sky pixels, with FWHM=7°. Due to development efforts over the past few years, the design specifications have been significantly improved with respect to the first proposal. Here we present an up-to-date description of the instrument, which now warrants a pixel sensitivity of 1.7 μK for the polarization of the cosmic background radiation, assuming two years of observations. We discuss SPOrt scientific goals in the light of WMAP results, in particular in connection with the emerging double-reionization cosmological scenario. © 2003 Elsevier B.V. All rights reserved.
Authors & Co-Authors
Cortiglioni, Stefano
Italy, Rome
Consiglio Nazionale Delle Ricerche
Bernardi, Gianni
Italy, Rome
Consiglio Nazionale Delle Ricerche
Carretti, Ettore
Italy, Rome
Consiglio Nazionale Delle Ricerche
Casarini, Luciano
Italy, Rome
Consiglio Nazionale Delle Ricerche
Cecchini, Stefano
Italy, Rome
Consiglio Nazionale Delle Ricerche
Sbarra, Carla
Italy, Rome
Consiglio Nazionale Delle Ricerche
Monari, Jader
Italy, Rome
Consiglio Nazionale Delle Ricerche
Poppi, Sergio
Italy, Rome
Consiglio Nazionale Delle Ricerche
Colombo, Loris P.L.
Italy, Milan
Università Degli Studi Di Milano-bicocca
Fabbri, Roberto
Italy, Florence
Università Degli Studi Di Firenze
Nicastro, Luciano
Italy, Rome
Consiglio Nazionale Delle Ricerche
Statistics
Citations: 27
Authors: 11
Affiliations: 8
Identifiers
Doi:
10.1016/j.newast.2003.11.004
ISSN:
13841076
Research Areas
Cancer
Study Approach
Quantitative