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1 February 1991 ORFEUS: orbiting and retrievable far and extreme ultraviolet spectrometer
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The ORFEUS instrument is the first of a few missions which have to be flown with the ASTRO-SPAS satellite. The instrument consists of an on-axis telescope with 1 m primary mirror together with two focal plane spectrometers. The main scientific objectives are spectroscopic easureents of cosmic radiation sources in the temperature region between 10 to 10 K. The Rowland spectrometer which operates in the spectral region between 40 nm to 120 rim is supplied by the Space Astronomy Group (SAC) of the University of Berkeley, the Echelle spectrometer was designed by the Landessternwarte Heidelberg (LSW, FRG) and covers the spectral region between 90 nm to 125 nm. The overall scientific responsibility is at the Astronomisches Institut TUbingen (AlT, FRG).
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Harald Rippel, Dirk Kampf, and Roland Graue "ORFEUS: orbiting and retrievable far and extreme ultraviolet spectrometer", Proc. SPIE 1343, X-Ray/EUV Optics for Astronomy, Microscopy, Polarimetry, and Projection Lithography, (1 February 1991);

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