BaR-SPOrt experiment

Mario Zannoni; S. Cortiglioni; G. Bernardi; Ettore Carretti; S. Cecchini; C. Macculi; Ennio Morelli; C. Sbarra; Giulio Ventura; Luciano Nicastro; J. Monari; M. Poloni; S. Poppi; Vincenzo Natale; M. Baralis; O. Peverini; R. Tascone; G. Virone; Andrea Boscaleri; E. Pascale; Giuliano Boella; S. Bonometto; Massimo Gervasi; Giorgio Sironi; M. Tucci; R. Nesti; R. Fabbri; Pierluigi De Bernardis; Marco DePetris; S. Masi; M. V. Sazhin; E. N. Vinyajkin

doi:10.1117/12.458610

14 February 2003 The BaR-SPOrt experiment

Mario Zannoni, S. Cortiglioni, G. Bernardi, Ettore Carretti, S. Cecchini, C. Macculi, Ennio Morelli, C. Sbarra, Giulio Ventura, Luciano Nicastro, J. Monari, M. Poloni, S. Poppi, Vincenzo Natale, M. Baralis, O. Peverini, R. Tascone, G. Virone, Andrea Boscaleri, E. Pascale, Giuliano Boella, S. Bonometto, Massimo Gervasi, Giorgio Sironi, M. Tucci, R. Nesti, R. Fabbri, Pierluigi De Bernardis, Marco DePetris, S. Masi, M. V. Sazhin, E. N. Vinyajkin

Author Affiliations +

Proceedings Volume 4843, Polarimetry in Astronomy; (2003) https://doi.org/10.1117/12.458610
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

BaR-SPOrt (Balloon-borne Radiometers for Sky Polarisation Observations) is an experiment to measure the linearly polarized emission of sky patches at 32 and 90 GHz with sub-degree angular resolution. It is equipped with high sensitivity correlation polarimeters for simultaneous detection of both the U and Q stokes parameters of the incident radiation. On-axis telescope is used to observe angular scales where the expected polarization of the Cosmic Microwave Background (CMBP) peaks. This project shares most of the know-how and sophisticated technology developed for the SPOrt experiment onboard the International Space Station. The payload is designed to flight onboard long duration stratospheric balloons both in the Northern and Southern hemispheres where low foreground emission sky patches are accessible. Due to the weakness of the expected CMBP signal (in the range of microK), much care has been spent to optimize the instrument design with respect to the systematics generation, observing time efficiency and long term stability. In this contribution we present the instrument design, and first tests on some components of the 32 GHz radiometer.

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Mario Zannoni, S. Cortiglioni, G. Bernardi, Ettore Carretti, S. Cecchini, C. Macculi, Ennio Morelli, C. Sbarra, Giulio Ventura, Luciano Nicastro, J. Monari, M. Poloni, S. Poppi, Vincenzo Natale, M. Baralis, O. Peverini, R. Tascone, G. Virone, Andrea Boscaleri, E. Pascale, Giuliano Boella, S. Bonometto, Massimo Gervasi, Giorgio Sironi, M. Tucci, R. Nesti, R. Fabbri, Pierluigi De Bernardis, Marco DePetris, S. Masi, M. V. Sazhin, and E. N. Vinyajkin "The BaR-SPOrt experiment", Proc. SPIE 4843, Polarimetry in Astronomy, (14 February 2003); https://doi.org/10.1117/12.458610

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