The BaR-SPOrt Experiment
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.
Keywords
Cite
@article{arxiv.astro-ph/0301020,
title = {The BaR-SPOrt Experiment},
author = {M. Zannoni and S. Cortiglioni and G. Bernardi and E. Carretti and S. Cecchini and C. Macculi and E. Morelli and C. Sbarra and G. Ventura and L. Nicastro and J. Monari and M. Poloni and S. Poppi and V. Natale and M. Baralis and O. Peverini and R. Tascone and G. Virone and A. Boscaleri and E. Pascale and G. Boella and S. Bonometto and M. Gervasi and G. Sironi and M. Tucci and R. Nesti and R. Fabbri and P. de Bernardis and M. De Petris and S. Masi and M. V. Sazhin and E. N. Vinyajkin},
journal= {arXiv preprint arXiv:astro-ph/0301020},
year = {2009}
}
Comments
12 pages, 10 figures, Astronomical Telescopes and Instrumentation (Polaimetry in Astronomy) Hawaii August 2002 SPIE Meeting