COMPASS: An Upper Limit on CMB Polarization at an Angular Scale of 20 arc minutes

Details COMPASS: An Upper Limit on CMB Polarization at an Angular Scale of 20 arc minutes COMPASS: An Upper Limit on CMB Polarization at an Angular Scale of 20 arc minutes

2003-08-19

arxiv.org/abs/astro-ph/0308309v1

Astrophys.J.610:625-634,2004

Astronomy and Astrophysics

Astrophysics

Submitted to ApJ 8/19/2003

Scientific paper

10.1086/421837

COMPASS is an on-axis 2.6 meter telescope coupled to a correlation polarimeter operating at a wavelength of 1 cm. The entire instrument was built specifically for CMB polarization studies. We report here on observations of February 2001 - April 2001 using this system. We set an upper limit on E-mode polarized anisotropies of 33.5 uK (95% confidence limit) in the l-range 200-600.

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