Volume 365, Number 1, January 2001
First Results from XMM-Newton
|Page(s)||L7 - L17|
|Published online||15 January 2001|
The Reflection Grating Spectrometer on board XMM-Newton
Space Research Organization of The Netherlands, Sorbonnelaan 2, 3584 CA Utrecht, The Netherlands
2 Columbia Astrophysics Laboratory, Columbia University, 550 West 120th Street, New York, NY 10027, USA
3 Mullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking, Surrey, RH5 6NT, UK
4 Paul Scherrer Institute, 5232 Villigen, Switzerland
5 Lawrence Livermore National Laboratory, PO Box 808 Livermore, CA 94550, USA
6 Astrophysics Division, Space Science Department of ESA, ESTeC, 2200 AG Noordwijk, The Netherlands
J. W. den Herder
Accepted: 26 October 2000
The ESA X-ray Multi Mirror mission, XMM-Newton, carries two identical Reflection Grating Spectrometers (RGS) behind two of its three nested sets of Wolter I type mirrors. The instrument allows high-resolution ( to 500) measurements in the soft X-ray range (6 to 38 Åor 2.1 to 0.3 keV) with a maximum effective area of about 140 cm2 at 15 Å. Its design is optimized for the detection of the K-shell transitions of carbon, nitrogen, oxygen, neon, magnesium, and silicon, as well as the L shell transitions of iron. The present paper gives a full description of the design of the RGS and its operational modes. We also review details of the calibrations and in-orbit performance including the line spread function, the wavelength calibration, the effective area, and the instrumental background.
Key words: space vehicles: instruments, reflection gratings, XMM-Newton
© ESO, 2001
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