Higgins, Ronan, Teyssier, David, Borys, Colin, Braine, Jonathan, Comito, Claudia, Delforge, Bertrand, Helmich, Frank, Olberg, Michael, Ossenkopf, Volker, Pearson, John and Shipman, Russell (2014). The effect of sideband ratio on line intensity for Herschel/HIFI. Exp. Astron., 37 (2). S. 433 - 453. DORDRECHT: SPRINGER. ISSN 1572-9508

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Abstract

The Heterodyne Instrument for the Far Infrared (HIFI) on board the Herschel Space Observatory is composed of a set of fourteen double sideband mixers. We discuss the general problem of the sideband ratio (SBR) determination and the impact of an imbalanced sideband ratio on the line calibration in double sideband heterodyne receivers. The HIFI SBR is determined from a combination of data taken during pre-launch gas cell tests and in-flight. The results and some of the calibration artefacts discovered in the gas cell test data are presented here along with some examples of how these effects appear in science data taken in orbit.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Higgins, RonanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Teyssier, DavidUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Borys, ColinUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Braine, JonathanUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Comito, ClaudiaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Delforge, BertrandUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Helmich, FrankUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Olberg, MichaelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Ossenkopf, VolkerUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Pearson, JohnUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Shipman, RussellUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-434410
DOI: 10.1007/s10686-014-9382-5
Journal or Publication Title: Exp. Astron.
Volume: 37
Number: 2
Page Range: S. 433 - 453
Date: 2014
Publisher: SPRINGER
Place of Publication: DORDRECHT
ISSN: 1572-9508
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
PERFORMANCE; INSTRUMENT; HIFIMultiple languages
Astronomy & AstrophysicsMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/43441

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