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Proceedings Paper

Multicolor imaging photometer for the MAGNUM project
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Paper Abstract

We present the optical, mechanical and electronic design of MAGNUM-MIP. The MAGNUM project plans to carry out multi color monitoring observations for hundreds of AGNs over several years under remote and automated operation. MAGNUM- MIP has two channels that offer optical and IR broad-band imaging observations at the same time. The IR channel has a SBRC InSb 256 by 256 array which covers a wavelength range from 1 to 4 microns, and the optical channel uses a 1024 by 1024 SITE CCD which covers 0.35 micron to 1 micron. The two channels use the same optics and a beam splitter. We adopted a reflecting optical system in order to get good imaging quality over the wide wavelength range. Because the monitoring is expected to be carried out remotely for several years with minimum manual support and maintenance, the camera is designed to work with only semi-annual maintenance. It has a mechanical cooler, a low outgas design, and an automated vacuum system.

Paper Details

Date Published: 21 August 1998
PDF: 8 pages
Proc. SPIE 3354, Infrared Astronomical Instrumentation, (21 August 1998); doi: 10.1117/12.317212
Show Author Affiliations
Yukiyasu Kobayashi, National Astronomical Observatory of Japan (Japan)
Yuzuru Yoshii, Univ. of Tokyo (Japan)
Bruce A. Peterson, Mt. Stromlo and Siding Spring Observatories (Australia)
Takeo Minezaki, Kiso Observatory/Univ. of Tokyo (Japan)
Keigo Enya, Graduate Univ. for Advanced Studies (Japan)
Masahiro Suganuma, National Astronomical Observatory of Japan and Univ. of Tokyo (Japan)
Tomoyasu Yamamuro, Nagoya Univ. (Japan)

Published in SPIE Proceedings Vol. 3354:
Infrared Astronomical Instrumentation
Albert M. Fowler, Editor(s)

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