The spectral response of the SCUBA-2 850- and 450-micron photometric bands

Naylor, David A., Gom, Brad G., Abdelazim, Sherif, Friberg, Per, Bintley, Daniel, Holland, Wayne S., MacIntosh, Michael J., Ade, Peter A. R. ORCID: https://orcid.org/0000-0002-5127-0401 and Tucker, Carole E. ORCID: https://orcid.org/0000-0002-1851-3918 2014. The spectral response of the SCUBA-2 850- and 450-micron photometric bands. Presented at: SPIE Astronomical Telescopes + Instrumentation 2014, Montreal, Canada, 22-27 June 2014. Proceedings Volume 9153, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VII. , vol.9153 SPIE, p. 915323. 10.1117/12.2055356

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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.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Published Online
Status:	Published
Schools:	Physics and Astronomy
Publisher:	SPIE
Last Modified:	11 May 2023 11:45
URI:	https://orca.cardiff.ac.uk/id/eprint/156658

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