AAS 197, January 2001
Session 55. The Cosmic Microwave Background
Oral, Tuesday, January 9, 2001, 10:30am-12:00noon, Golden Ballroom

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[55.03] Results from the First Observing Season of PIQUE

M.M. Hedman, D. Barkats (Princeton University), J.O. Gundersen (University of Miami), S.T. Staggs (Princeton University), B. Winstein (University of Chicago)

The Princeton IQU Experiment (PIQUE) is a ground-based telescope designed to measure the polarization of the Cosmic Microwave Background (CMB). Between 19 January 2000 and 2 April 2000, this telescope observed one of the Stokes parameters (Q) on the ring at \delta = 89o from the roof of Jadwin Hall, Princeton, NJ. The telescope had a beam full-width-half-maximum of 0.24o and the detector was a single correlation polarimeter operating at 90 GHz. These observations have yielded a new limit on the polarization of the CMB in the multipole range 100 < \ell < 600.

This work was supported by NIST precision measurement grant #60NANB8D0061 and by NSF grant #PHY9600015. Additional support was provided by the Alfred P. Sloan Foundation and the Guggenheim Foundation through their fellowships for STS and BW respectively.

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