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Proceedings Paper

In-orbit performance of the ISO short-wavelength spectrometer
Author(s): Mattheus WM de Graauw; Helmut Feuchtgruber; Peter R. Roelfsema; A. Salama; Otto H. Bauer; Douwe A. Beintema; D. Boxhoorn; L. Decin; Leo N. K. Haser; A. Heras; Rik Huygen; Reinhard O. Katterloher; D. Kester; D. Kunze; F. Lahuis; K. Leech; C. Lorente; Dieter Lutz; P. Morris; S. Schaeidt; E. Sturm; Edwin A. Valentijn; Bart K.P. Vandenbussche; Rens Waters; E. Wieprecht; E. Wiezorrek; Erick T. Young
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Paper Abstract

The short wavelength spectrometer (SWS) is one of the four instruments on-board of ESA's IR SPace Observatory (ISO), launched on 15 November 1995. It covers the wavelength range of 2.38-45.2 microns with a spectral resolution ranging from 1000-2000. By inserting Fabry-Perot filters the resolution can be enhanced by a factor 20 for the wavelength range from 11.4-44.5 microns. After the successful launch the instrument was tested and calibrated during a period of spacecraft checkout and performance verification. The opto- mechanical construction of the instrument appears to behave extremely well. The instrument performance is on all aspects as expected, except for the detector sensitivity where the noise is dominated by effects of particle radiation. We given here an overview of the in-orbit performance, discuss the calibration and present some result from trend analysis of the most important instrument and detector parameters.

Paper Details

Date Published: 21 August 1998
PDF: 7 pages
Proc. SPIE 3354, Infrared Astronomical Instrumentation, (21 August 1998); doi: 10.1117/12.317249
Show Author Affiliations
Mattheus WM de Graauw, SRON/Groningen (Netherlands) and Kapteyn Astronomical Institute (Netherlands)
Helmut Feuchtgruber, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
ISO Science Operations Ctr. (Spain)
Peter R. Roelfsema, SRON/Groningen (Netherlands)
A. Salama, ISO Science Operations Ctr. (Spain)
Otto H. Bauer, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
Douwe A. Beintema, SRON/Groningen (Netherlands)
D. Boxhoorn, SRON/Groningen (Netherlands)
ISO Science Operations Ctr. (Spain)
L. Decin, Univ. van Leuven (Belgium)
Leo N. K. Haser, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
A. Heras, ISO Science Operations Ctr. (Netherlands)
Rik Huygen, Univ. van Leuven (Belgium)
Reinhard O. Katterloher, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
D. Kester, SRON/Groningen (Netherlands)
D. Kunze, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
F. Lahuis, SRON/Groningen (Netherlands)
ISO Science Operations Ctr. (Spain)
K. Leech, ISO Science Operations Ctr. (Spain)
C. Lorente, ISO Science Operations Ctr. (Spain)
Dieter Lutz, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
P. Morris, ISO Science Operations Ctr. (Spain)
SRON/Utrecht (Netherlands)
S. Schaeidt, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
E. Sturm, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
Edwin A. Valentijn, SRON/Groningen (Netherlands)
ISO Science Operations Ctr. (Spain)
Bart K.P. Vandenbussche, Univ. van Leuven (Belgium)
ISO Science Operations Ctr. (Spain)
Rens Waters, Univ. of Amsterdam (Netherlands)
E. Wieprecht, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
ISO Science Operations Ctr. (Spain)
E. Wiezorrek, Max-Planck-Institut fuer Extraterrestrische Physik (Germany)
Erick T. Young, Steward Observatory/Univ. of Arizona (United States)


Published in SPIE Proceedings Vol. 3354:
Infrared Astronomical Instrumentation
Albert M. Fowler, Editor(s)

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