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Proceedings Paper

PANIC: the new panoramic NIR camera for Calar Alto
Author(s): Harald Baumeister; Matthias Alter; M. Concepción Cárdenas Vázquez; Matilde Fernandez; Josef Fried; Jens Helmling; Armin Huber; Jose-Miguel Ibáñez Mengual; Julio F. Rodríguez Gómez; Werner Laun; Rainer Lenzen; Ulrich Mall; Vianak Naranjo; Jose-Ricardo Ramos; Ralf-Rainer Rohloff; Antonio García Segura; Clemens Storz; Marcos Ubierna; Karl Wagner
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Paper Abstract

PANIC is a wide-field NIR camera, which is currently under development for the Calar Alto observatory (CAHA) in Spain. It uses a mosaic of four Hawaii-2RG detectors and covers the spectral range from 0.8-2.5 μm (z to K-band). The field-of-view is 30×30 arcmin. This instrument can be used at the 2.2m telescope (0.45arcsec/pixel, 0.5×0.5 degree FOV) and at the 3.5m telescope (0.23arcsec/pixel, 0.25×0.25 degree FOV). The operating temperature is about 77K, achieved by liquid Nitrogen cooling. The cryogenic optics has three flat folding mirrors with diameters up to 282 mm and nine lenses with diameters between 130 mm and 255 mm. A compact filter unit can carry up to 19 filters distributed over four filter wheels. Narrow band (1%) filters can be used. The instrument has a diameter of 1.1 m and it is about 1 m long. The weight limit of 400 kg at the 2.2m telescope requires a light-weight cryostat design. The aluminium vacuum vessel and radiation shield have wall thicknesses of only 6 mm and 3 mm respectively.

Paper Details

Date Published: 9 July 2008
PDF: 9 pages
Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70142R (9 July 2008); doi: 10.1117/12.788796
Show Author Affiliations
Harald Baumeister, Max-Planck-Institut für Astronomie (Germany)
Matthias Alter, Max-Planck-Institut für Astronomie (Germany)
M. Concepción Cárdenas Vázquez, Instituto de Astrofísica de Andalucía (Spain)
Matilde Fernandez, Instituto de Astrofísica de Andalucía (Spain)
Josef Fried, Max-Planck-Institut für Astronomie (Germany)
Jens Helmling, Ctr. Astronomico Hispano Aleman (Spain)
Armin Huber, Max-Planck-Institut für Astronomie (Germany)
Jose-Miguel Ibáñez Mengual, Instituto de Astrofísica de Andalucía (Spain)
Julio F. Rodríguez Gómez, Instituto de Astrofísica de Andalucía (Spain)
Werner Laun, Max-Planck-Institut für Astronomie (Germany)
Rainer Lenzen, Max-Planck-Institut für Astronomie (Germany)
Ulrich Mall, Max-Planck-Institut für Astronomie (Germany)
Vianak Naranjo, Max-Planck-Institut für Astronomie (Germany)
Jose-Ricardo Ramos, Max-Planck-Institut für Astronomie (Germany)
Ralf-Rainer Rohloff, Max-Planck-Institut für Astronomie (Germany)
Antonio García Segura, Instituto de Astrofísica de Andalucía (Spain)
Clemens Storz, Max-Planck-Institut für Astronomie (Germany)
Marcos Ubierna, Instituto de Astrofísica de Andalucía (Spain)
Karl Wagner, Max-Planck-Institut für Astronomie (Germany)

Published in SPIE Proceedings Vol. 7014:
Ground-based and Airborne Instrumentation for Astronomy II
Ian S. McLean; Mark M. Casali, Editor(s)

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