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Title: The wavelength calibration and resolution of the SWS
Authors: Valentijn, EA ×
Feuchtgruber, H
Kester, DJM
Roelfsema, PR
Barr, P
Bauer, OH
Beintema, DA
Boxhoorn, DR
deGraauw, T
Haser, LN
Heske, A
Heras, AM
Katterloher, RO
Lahuis, F
Lutz, D
Leech, KJ
Morris, PW
Salama, A
Schaeidt, SG
Spoon, HWW
Vandenbussche, Bart
Wieprecht, E
Luinge, W
Wildeman, KJ #
Issue Date: Nov-1996
Publisher: Springer verlag
Series Title: Astronomy and astrophysics vol:315 issue:2 pages:L60-L63
Abstract: The laboratory wavelength calibration of the SWS has been successfully transferred to the in orbit situation. The achieved accuracies for the grating sections are lambda/delta lambda similar to 10000. Any remaining errors in the wavelength scale are dominated by uncertainties of the relative position of the target in the 14'' - 20'' wide slits. The grating spectral profile is very well represented by a Gaussian shape. The width of the grating spectral profile can be accurately predicted by a theoretical model. The wavelength calibration of the FP's is accurate to within 1/3 Of a resolution element, corresponding to lambda/delta lambda similar to 10(5). The wavelength stability of the gratings and FP is excellent, no measurable changes were found during the first 6 months of the ISO mission.
ISSN: 0004-6361
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Institute of Astronomy
× corresponding author
# (joint) last author

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