Fulton, Trevor and Naylor, David and Polehampton, Edward and Hopwood, Rosalind and Valtchanov, Ivan and Lu, Nanyao and Marchili, Nicola and Zaretski, Jeremy (2015) The Herschel/SPIRE Spectrometer Phase Correction Data Processing Tasks. In: Astronomical Data Analysis Software and Systems XXIV. Astronomical Society of the Pacific conference series. No.495. Astronomical Society of the Pacific , San Francisco, CA, pp. 343-346. ISBN 9781583818749. https://resolver.caltech.edu/CaltechAUTHORS:20160324-105015915
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Abstract
Asymmetries in the recorded interferograms of Fourier Transform Spectrometers (FTS) can be caused by optical, electronic, and sampling effects. Left uncorrected, these asymmetries will result in a spectrum with both real and imaginary components and thus a non-zero phase. One or more phase correction steps are applied in FTS data processing pipelines to correct for these effects. In this paper we describe the causes of non-zero phase particular to the Herschel/SPIRE FTS and present the two phase correction processing steps employed. The evolution of the phase correction algorithms is also described.
| Item Type: | Book Section | ||||||
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| Additional Information: | © 2015 Astronomical Society of the Pacific. The funding for the Canadian contribution to SPIRE is provided by the Canadian Space Agency and NSERC. | ||||||
| Group: | Infrared Processing and Analysis Center (IPAC) | ||||||
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| Series Name: | Astronomical Society of the Pacific conference series | ||||||
| Issue or Number: | 495 | ||||||
| Record Number: | CaltechAUTHORS:20160324-105015915 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20160324-105015915 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 65654 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Tony Diaz | ||||||
| Deposited On: | 30 Mar 2016 23:43 | ||||||
| Last Modified: | 03 Oct 2019 09:49 |
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