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Preprint 17/07

HIRDES - The High-Resolution Double-Echelle Spectrograph for the World Space Observatory Ultraviolet (WSO/UV)

K. Werner (1), J. Barnstedt (1), W. Gringel (1), N. Kappelmann (1), H. Becker-Ross (2), S. Florek (2), R. Graue (3), D. Kampf (3), A. Reutlinger (3), C. Neumann (3), B. Shustov (4), A. Moisheev (5), E. Skripunov (5)

(1) Institut für Astronomie und Astrophysik, Universität Tübingen, Sand 1, 72076 Tübingen, Germany
(2) Institute for Analytical Sciences, Albert-Einstein-Str. 9, 12484 Berlin, Germany
(3) Kayser-Threde GmbH, Wolfratshauser Str. 48, 81379 München, Germany
(4) Institute of Astronomy RAS, Pyatnitskaya st. 48, 119017, Moscow, Russia
(5) Lavochkin Association, Leningradskoye Shosse, Khimki, 141400, Moscow, Russia

Advances in Space Research 41 1992-1997 (2008)

Abstract. The World Space Observatory Ultraviolet (WSO/UV) is a multi-national project grown out of the needs of the astronomical community to have future access to the UV range. WSO/UV consists of a single UV telescope with a primary mirror of 1.7m diameter feeding the UV spectrometer and UV imagers. The spectrometer comprises three different spectrographs, two high-resolution echelle spectrographs (the High-Resolution Double-Echelle Spectrograph, HIRDES) and a low-dispersion long-slit instrument. Within HIRDES the 102-310nm spectral band is split to feed two echelle spectrographs covering the UV range 174-310nm and the vacuum-UV range 102-176nm with high spectral resolution (R>50,000). The technical concept is based on the heritage of two previous ORFEUS SPAS missions. The phase-B1 development activities are described in this paper considering performance aspects, design drivers, related trade-offs (mechanical concepts, material selection etc.) and a critical functional and environme ntal test verification approach. The current state of other WSO/UV scientific instruments (imagers) is also described.
Key words: Visible and ultraviolet spectrometers, Space-based ultraviolet, optical, and infrared telescopes, Astronomical and space-research instrumentation

Preprint (700 kb PDF file including figures)
Astrophysics (astro-ph): 0711.4255

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