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The BaR-SPOrt experiment: measuring the CMBP E-mode power spectrum from Dome C

  • M. Giard, F. Casoli, F. Paletou, E. Carretti (a1), S. Cortiglioni (a1), G. Bernardi (a1), L. Casarini (a1), S. Cecchini (a1), C. Macculi (a1), M. Ramponi (a1), C. Sbarra (a1), G. Ventura (a1), J. Monari (a2), M. Poloni (a2), S. Poppi (a2), M. Baralis (a3), O. A. Peverini (a3), R. Tascone (a3), G. Virone (a3), M. Zannoni (a4), S. Bonometto (a5), L. Colombo (a5), M. Gervasi (a5), G. Sironi (a5), R. Fabbri (a6), V. Natale (a7), R. Nesti (a7), L. Nicastro (a8), P. de Bernardis (a9), S. Masi (a9), M. de Petris (a9), A. Boscaleri (a10), M. Sazhin (a11) and E. Vinyajkin (a12)...

Abstract

The BaR-SPOrt experiment is designed to measure the E-mode power spectrum of the Cosmic Microwave Background Polarization (CMBP) in the multipole range 50 < l < 1000. In the current configuration at 32 GHz it can explore up to l = 400. Recent low frequency observations of the target region show that the synchrotron emission should not contamine the CMBP already at 32 GHz. A 6-month observation of a 6° × 6° sky area during the polar night, in ideal environmental conditions, will allow the Italian-French collaboration to both measure the E–mode power spectrum with appropriate sensitivity and perform important tests of the anomalous dust emission. The BaR-SPOrt 32 GHz instrument, now under test and ready for operations by Spring 2005, is proposed for 1–2 years Winter operations at Dome C.

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