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The balloon-borne large-aperture submillimeter telescope for polarimetry: BLAST-Pol

Fissel, Laura M., Ade, Peter A. R., Angile, Francesco E., Benton, Steven J., Chapin, Edward L., Devlin, Mark J., Gandilo, Natalie N., Gundersen, Joshua O., Hargrave, Peter Charles, Hughes, David H., Klein, Jeffrey, Korotkov, Andrei L., Marsden, Galen, Matthews, Tristan G., Moncelsi, Lorenzo, Mroczkowski, Tony K., Netterfield, C. Barth, Novak, Giles, Olmi, Luca, Pascale, Enzo, Savini, Giorgio, Scott, Douglas, Shariff, Jamil A., Soler, Juan Diego, Thomas, Nicholas E., Truch, Matthew D. P., Tucker, Carole Elizabeth, Tucker, Gregory S., Ward-Thompson, Derek and Wiebe, Donald V. 2010. The balloon-borne large-aperture submillimeter telescope for polarimetry: BLAST-Pol. Presented at: Millimeter, submillimeter, and far-infrared detectors and instrumentation for astronomy V 29 June-2 July 2010, San Diego, California, United States, San Diego, CA, USA, 29 June-2 July 2010. Published in: Holland, W. S. and Zmuidzinas, J. eds. Proceedings of Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy V, San Diego, USA, 29 June 2010. Proceedings of the SPIE , vol. 7741. Bellingham, WA: SPIE, 77410E. 10.1117/12.857601

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Abstract

The Balloon-borne Large Aperture Submillimeter Telescope for Polarimetry (BLAST-Pol) is a suborbital mapping experiment designed to study the role played by magnetic fields in the star formation process. BLAST-Pol is the reconstructed BLAST telescope, with the addition of linear polarization capability. Using a 1.8m Cassegrain telescope, BLAST-Pol images the sky onto a focal plane that consists of 280 bolometric detectors in three arrays, observing simultaneously at 250, 350, and 500μm. The diffraction-limited optical system provides a resolution of 30"at 250μm. The polarimeter consists of photolithographic polarizing grids mounted in front of each bolometer/ detector array. A rotating 4K achromatic half-wave plate provides additional polarization modulation. With its unprecedented mapping speed and resolution, BLAST-Pol will produce three-color polarization maps for a large number of molecular clouds. The instrument provides a much needed bridge in spatial coverage between larger-scale, coarse resolution surveys and narrow field of view, and high resolution observations of substructure within molecular cloud cores. The first science flight will be from McMurdo Station, Antarctica in December 2010.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: SPIE
ISBN: 9780819482310
ISSN: 0277-786X
Last Modified: 07 Jun 2019 20:35
URI: http://orca-mwe.cf.ac.uk/id/eprint/26946

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