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Proceedings Paper

Performance of flight-model on-board calibration sources on Herschel-SPIRE
Author(s): Peter Hargrave; Tim Waskett; Tanya Lim; Bruce Swinyard
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Paper Abstract

The SPIRE instrument for the Herschel Space Observatory has two on-board calibration sources. The photometer calibrator, PCAL, is an electrically-heated thermal source which can be seen by all detectors, including the spectrometer. It is not an absolute calibrator, but a repeatable source of sub-millimetre radiation which may be used in the overall calibration scheme. The purpose of the spectrometer calibrator is to null the background emission from the Herschel telescope, thereby improving the dynamic range of the spectrometer detectors. This paper details the final flight design of the calibration units, and presents results from SPIRE flight model ground testing.

Paper Details

Date Published: 27 June 2006
PDF: 12 pages
Proc. SPIE 6275, Millimeter and Submillimeter Detectors and Instrumentation for Astronomy III, 627514 (27 June 2006); doi: 10.1117/12.673197
Show Author Affiliations
Peter Hargrave, Cardiff Univ. (United Kingdom)
Tim Waskett, Cardiff Univ. (United Kingdom)
Tanya Lim, CCLRC, Rutherford Appleton Lab. (United Kingdom)
Bruce Swinyard, CCLRC, Rutherford Appleton Lab. (United Kingdom)


Published in SPIE Proceedings Vol. 6275:
Millimeter and Submillimeter Detectors and Instrumentation for Astronomy III
Jonas Zmuidzinas; Wayne S. Holland; Stafford Withington; William D. Duncan, Editor(s)

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