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Absolute polarization angle calibration using polarized diffuse Galactic emission observed by BICEP

Matsumura, Tomotake and Bock, James J. and Crill, Brendan P. and Dowell, C. Darren and Hristov, Viktor V. and Lange, Andrew E. and Mason, Peter V. and Richter, Steffen (2010) Absolute polarization angle calibration using polarized diffuse Galactic emission observed by BICEP. In: Millimeter, submillimeter, and far-infrared detectors and instrumentation for astronomy V. Proceedings of SPIE. No.7741. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 77412O. ISBN 9780819482310.

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We present a method of cross-calibrating the polarization angle of a polarimeter using Bicep Galactic observations. Bicep was a ground based experiment using an array of 49 pairs of polarization sensitive bolometers observing from the geographic South Pole at 100 and 150 GHz. The Bicep polarimeter is calibrated to ±0.01 in cross-polarization and less than ±0.7° in absolute polarization orientation. Bicep observed the temperature and polarization of the Galactic plane (R.A = 100° ~ 270° and Dec. = -67° ~ -48°). We show that the statistical error in the 100 GHz Bicep Galaxy map can constrain the polarization angle offset of Wmap W band to 0.6° ± 1.4°. The expected 1σ errors on the polarization angle cross-calibration for Planck or EPIC are 1.3° and 0.3° at 100 and 150 GHz, respectively. We also discuss the expected improvement of the Bicep Galactic field observations with forthcoming Bicep2 and Keck observations.

Item Type:Book Section
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URLURL TypeDescription
Bock, James J.0000-0002-5710-5212
Crill, Brendan P.0000-0002-4650-8518
Mason, Peter V.0000-0002-7963-7420
Additional Information:© 2010 SPIE.
Subject Keywords:cosmic microwave background polarization; millimeter wave; calibration source; polarized galactic emission; polarization calibration
Series Name:Proceedings of SPIE
Issue or Number:7741
Record Number:CaltechAUTHORS:20110314-155138851
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Official Citation:Tomotake Matsumura ; Peter Ade ; Denis Barkats ; Darcy Barron ; John O. Battle ; Evan M. Bierman ; James J. Bock ; H. Cynthia Chiang ; Brendan P. Crill ; C. Darren Dowell ; Lionel Duband ; Eric F. Hivon ; William L. Holzapfel ; Viktor V. Hristov ; William C. Jones ; Brian G. Keating ; John M. Kovac ; Chao-lin Kuo ; Andrew E. Lange ; Erik M. Leitch ; Peter V. Mason ; Hien T. Nguyen ; Nicolas Ponthieu ; Clem Pryke ; Steffen Richter ; Graca M. Rocha ; Yuki D. Takahashi and Ki Won Yoon "Absolute polarization angle calibration using polarized diffuse Galactic emission observed by BICEP", Proc. SPIE 7741, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, 77412O (July 15, 2010); doi:10.1117/12.856855;
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:22876
Deposited By: Tony Diaz
Deposited On:16 Mar 2011 22:54
Last Modified:09 Mar 2020 13:19

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