BaR-SPOrt is an experiment to measure the linearly polarised emission of 20degreesx 20degrees sky patches at 32 GHz and 90 GHz from a stratospheric balloon. It consists of correlation polarimeters for direct measurements of the Q and U Stokes parameters, coupled to an optics providing a beam of 0degrees.5 (32 GHz) and 0degrees.2 (90 GHz). Its aim is the study of the polarisation of the Diffused Galactic Background as well as the Cosmic Microwave Background Radiation (CMBR). The instrument thermal design and the preliminary performance evaluation of the cooling system are described.
Macculi, C., Zannoni, M. (2002). Thermal design and preliminary performance evaluation of the cooling system for BaR-SPOrt. Intervento presentato a: Workshop on Astrophysical Polarized Backgrounds, BOLOGNA, ITALY [10.1063/1.1471861].
Thermal design and preliminary performance evaluation of the cooling system for BaR-SPOrt
ZANNONI, MARIO
2002
Abstract
BaR-SPOrt is an experiment to measure the linearly polarised emission of 20degreesx 20degrees sky patches at 32 GHz and 90 GHz from a stratospheric balloon. It consists of correlation polarimeters for direct measurements of the Q and U Stokes parameters, coupled to an optics providing a beam of 0degrees.5 (32 GHz) and 0degrees.2 (90 GHz). Its aim is the study of the polarisation of the Diffused Galactic Background as well as the Cosmic Microwave Background Radiation (CMBR). The instrument thermal design and the preliminary performance evaluation of the cooling system are described.
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