In-orbit performance of the ISO short-wavelength spectrometer

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

doi:10.1117/12.317249

21 August 1998 In-orbit performance of the ISO short-wavelength spectrometer

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

Author Affiliations +

Proceedings Volume 3354, Infrared Astronomical Instrumentation; (1998) https://doi.org/10.1117/12.317249
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

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.

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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, and Erick T. Young "In-orbit performance of the ISO short-wavelength spectrometer", Proc. SPIE 3354, Infrared Astronomical Instrumentation, (21 August 1998); https://doi.org/10.1117/12.317249

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