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Proceedings Paper

Two-channel robotic CCD camera
Author(s): Claus A. Goessl; Wolfgang Mitsch; Werner Altmann; Ulrich Hopp; Heinz Barwig
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Paper Abstract

We present the design of a compact two-channel CCD-camera for the 0.8 m Cassegrain telescope operated at the Wendelstein Observatory. To achieve a high efficiency this camera is equipped with two channels, operating in the wavelength range of 400 - 540 nm and 570 - 900 nm, respectively. Each channel is provided with a filter slider for three positions, an independent photometric shutter, and a 2k x 2k CCD (80% peak efficiency). The camera can simultaneously record a red and a blue image of its 10.7' x 10.7' field of view. In addition it has an offset guider and supports robotic operation: Active cooling provides the operating temperature of 160 K avoiding the use of liquid nitrogen. Both CCDs share a single cryostat and can be aligned during operation. The complete vacuum control including pumping and cryopump cleaning can be operated remotely.

Paper Details

Date Published: 7 March 2003
PDF: 8 pages
Proc. SPIE 4841, Instrument Design and Performance for Optical/Infrared Ground-based Telescopes, (7 March 2003); doi: 10.1117/12.460321
Show Author Affiliations
Claus A. Goessl, Univ.-Sternwarte Muenchen (Germany)
Wolfgang Mitsch, Univ.-Sternwarte Muenchen (Germany)
Werner Altmann, Konstruktionsbuero Werner Altmann (Germany)
Ulrich Hopp, Univ.-Sternwarte Muenchen (Germany)
Heinz Barwig, Univ. Sternwarte Muenchen (Germany)

Published in SPIE Proceedings Vol. 4841:
Instrument Design and Performance for Optical/Infrared Ground-based Telescopes
Masanori Iye; Alan F. M. Moorwood, Editor(s)

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