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The data processing pipeline for the Herschel SPIRE Fourier Transform Spectrometer

Fulton, T. and Naylor, D. A. and Polehampton, E. T. and Valtchanov, I. and Hopwood, R. and Lu, N. and Baluteau, J.-P. and Mainetti, G. and Pearson, C. and Papageorgiou, A. and Guest, S. and Zhang, L. and Imhof, P. and Swinyard, B. M. and Griffin, M. J. and Lim, T. L. (2016) The data processing pipeline for the Herschel SPIRE Fourier Transform Spectrometer. Monthly Notices of the Royal Astronomical Society, 458 (2). pp. 1977-1989. ISSN 0035-8711. http://resolver.caltech.edu/CaltechAUTHORS:20160603-135510806

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Abstract

We present the data processing pipeline to generate calibrated data products from the Spectral and Photometric Imaging Receiver (SPIRE) imaging Fourier Transform Spectrometer on the Herschel Space Observatory. The pipeline processes telemetry from SPIRE observations and produces calibrated spectra for all resolution modes. The spectrometer pipeline shares some elements with the SPIRE photometer pipeline, including the conversion of telemetry packets into data timelines and calculation of bolometer voltages. We present the following fundamental processing steps unique to the spectrometer: temporal and spatial interpolation of the scan mechanism and detector data to create interferograms; Fourier transformation; apodization; and creation of a data cube. We also describe the corrections for various instrumental effects including first- and second-level glitch identification and removal, correction of the effects due to emission from the Herschel telescope and from within the spectrometer instrument, interferogram baseline correction, temporal and spatial phase correction, non-linear response of the bolometers, and variation of instrument performance across the focal plane arrays. Astronomical calibration is based on combinations of observations of standard astronomical sources and regions of space known to contain minimal emission.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1093/mnras/stw343DOIArticle
http://mnras.oxfordjournals.org/content/458/2/1977.abstractPublisherArticle
http://arxiv.org/abs/1603.00219arXivDiscussion Paper
ORCID:
AuthorORCID
Valtchanov, I.0000-0001-9930-7886
Lu, N.0000-0002-8948-1044
Pearson, C.0000-0001-6139-649X
Additional Information:© 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. Accepted 2016 February 10. Received 2016 February 9. In original form 2015 September 30. First published online February 25, 2016. SPIRE has been developed by a consortium of institutes led by Cardiff University (UK) and including Univ. Lethbridge (Canada); NAOC (China); CEA, LAM (France); IFSI, Univ. Padua (Italy); IAC (Spain); Stockholm Observatory (Sweden); Imperial College London, RAL, UCL-MSSL, UKATC, Univ. Sussex (UK); and Caltech, JPL, NHSC, Univ. Colorado (USA). This development has been supported by national funding agencies: CSA (Canada); NAOC (China); CEA, CNES, CNRS (France); ASI (Italy);MCINN (Spain); SNSB (Sweden); STFC (UK); and NASA (USA). The authors wish to acknowledge Andres Rebolledo, Peter Kennedy, Zhaohan Weng, Yan He, Karim Ali, Yu Wai Wong, Alim Harji, Yufei Ren, David Sharpe, and Jeremy Zaretski for their contributions to the development of the SPIRE spectrometer data processing modules. The authors would also like to thank Christophe Ordenovic and Dominique Benielli for their contributions to the first level deglitching and Telescope/SCAL corrections. The authors thank Locke Spencer and Gibion Makiwa for their contributions to the development of the data processing pipeline. The funding for the Canadian contribution to SPIRE was provided by the Canadian Space Agency and NSERC.
Funders:
Funding AgencyGrant Number
Canadian Space Agency (CSA)UNSPECIFIED
National Astronomical Observatories, Chinese Academy of Sciences (NAOC) UNSPECIFIED
Commissariat à l’Energie Atomique (CEA)UNSPECIFIED
Agenzia Spaziale Italiana (ASI)UNSPECIFIED
Ministerio de Economía y Competitividad (MCINN)UNSPECIFIED
Swedish National Space Board (SNSB)UNSPECIFIED
Science and Technology Facilities Council (STFC)UNSPECIFIED
NASAUNSPECIFIED
Centre National d'Études Spatiales (CNES)UNSPECIFIED
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
Subject Keywords:methods: data analysis space vehicles: instruments techniques: spectroscopic
Record Number:CaltechAUTHORS:20160603-135510806
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20160603-135510806
Official Citation:T. Fulton, D. A. Naylor, E. T. Polehampton, I. Valtchanov, R. Hopwood, N. Lu, J.-P. Baluteau, G. Mainetti, C. Pearson, A. Papageorgiou, S. Guest, L. Zhang, P. Imhof, B. M. Swinyard, M. J. Griffin, and T. L. Lim The data processing pipeline for the Herschel SPIRE Fourier Transform Spectrometer MNRAS (May 11, 2016) Vol. 458 1977-1989 doi:10.1093/mnras/stw343 first published online February 25, 2016
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:67654
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:04 Jun 2016 17:46
Last Modified:24 Oct 2017 21:26

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