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Proceedings Paper

The spectral response of the SCUBA-2 850- and 450-micron photometric bands
Author(s): David A. Naylor; Brad G. Gom; Sherif Abdelazim; Per Friberg; Daniel Bintley; Wayne S. Holland; Michael J. MacIntosh; Peter A. R. Ade; Carole E. Tucker
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Paper Abstract

SCUBA-2 is a wide-field submillimeter bolometer camera operating at the James Clerk Maxwell Telescope. The camera has twin focal planes, each with 5120 superconducting Transition Edge Sensors, which provide simultaneous images in two filter bands at 450 and 850 microns matched to the atmospheric windows. Detailed knowledge of the optical filter profiles that define these bands is important for estimating potential contamination from the prevalent CO J = 3-2 and CO 6-5 line emission, and correctly interpreting the effects of the source spectral index on photometric observations. We present measurements of the spectral response of SCUBA-2 obtained with FTS-2, the ancillary Fourier transform spectrometer instrument at the JCMT. The spectral measurements will be compared with the predicted filter profile determined from the linear combination of the individual filter profiles present in the SCUBA-2 optical train.

Paper Details

Date Published: 23 July 2014
PDF: 11 pages
Proc. SPIE 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII, 915323 (23 July 2014); doi: 10.1117/12.2055356
Show Author Affiliations
David A. Naylor, Univ. of Lethbridge (Canada)
Brad G. Gom, Univ. of Lethbridge (Canada)
Sherif Abdelazim, Univ. of Lethbridge (Canada)
Per Friberg, Joint Astronomy Ctr. (United States)
Daniel Bintley, Joint Astronomy Ctr. (United States)
Wayne S. Holland, UK Astronomy Technology Ctr. (United Kingdom)
Michael J. MacIntosh, UK Astronomy Technology Ctr. (United Kingdom)
Peter A. R. Ade, Cardiff Univ. (United Kingdom)
Carole E. Tucker, Cardiff Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 9153:
Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII
Wayne S. Holland; Jonas Zmuidzinas, Editor(s)

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