The Balloon-borne Large Aperture Submillimeter Telescope (BLAST) 2005: Calibration and Targeted Sources

doi:10.1086/588542

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M. D. P. Truch et al. 2008 ApJ 681 415 doi:10.1086/588542

The Balloon-borne Large Aperture Submillimeter Telescope (BLAST) 2005: Calibration and Targeted Sources

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M. D. P. Truch¹, P. A. R. Ade², J. J. Bock^3,4, E. L. Chapin⁵, M. J. Devlin⁶, S. Dicker⁶, M. Griffin², J. O. Gundersen⁷, M. Halpern⁵, P. C. Hargrave², D. H. Hughes⁸, J. Klein⁶, G. Marsden⁵, P. G. Martin^9,10, P. Mauskopf², C. B. Netterfield^10,11, L. Olmi^12,13, E. Pascale¹¹, G. Patanchon¹⁴, M. Rex⁶, D. Scott⁵, C. Semisch⁶, C. Tucker², G. S. Tucker¹, M. P. Viero¹⁰ and D. V. Wiebe¹¹

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matthew@truch.net

¹ Department of Physics, Brown University, Providence, RI 02912
² Department of Physics and Astronomy, Cardiff University, Cardiff, CF24 3AA, UK
³ Jet Propulsion Laboratory, Pasadena, CA 91109-8099
⁴ Observational Cosmology, MS 59-33, California Institute of Technology, Pasadena, CA 91125
⁵ Department of Physics and Astronomy, University of British Columbia, Vancouver, BC V6T 1Z1, Canada
⁶ Department of Physics and Astronomy, University of Pennsylvania, Philadelphia, PA 19104
⁷ Department of Physics, University of Miami, Coral Gables, FL 33146
⁸ Instituto Nacional de Astrofísica Óptica y Electrónica (INAOE), 72000 Puebla, Mexico
⁹ Canadian Institute for Theoretical Astrophysics, University of Toronto, Toronto, ON M5S 3H8, Canada
¹⁰ Department of Astronomy and Astrophysics, University of Toronto, Toronto, ON M5S 3H4, Canada
¹¹ Department of Physics, University of Toronto, Toronto, ON M5S 1A7, Canada
¹² Istituto di Radioastronomia, I-50125 Florence, Italy
¹³ Physics Department, University of Puerto Rico, Rio Piedras Campus, San Juan, PR 00931
¹⁴ Laboratoire APC, 75205 Paris, France

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Abstract References Cited By

The Balloon-borne Large Aperture Submillimeter Telescope (BLAST) operated successfully during a 100 hr flight from northern Sweden in 2005 June (BLAST05). As part of the calibration and pointing procedures, several compact sources were mapped, including solar system, Galactic, and extragalactic targets, specifically Pallas, CRL 2688, LDN 1014, IRAS 20126+4104, IRAS 21078+5211, IRAS 21307+5049, IRAS 22134+5834, IRAS 23011+6126, K3-50, W75N, and Mrk 231. One additional source, Arp 220, was observed and used as our primary calibrator. Details of the overall BLAST05 calibration procedure are discussed here. The BLAST observations of each compact source are described, flux densities and spectral energy distributions are reported, and these are compared with previous measurements at other wavelengths. The 250, 350, and 500 μm BLAST data can provide useful constraints to the amplitude and slope of the submillimeter continuum, which in turn may be useful for the improved calibration of other submillimeter instruments.

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