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Proceedings Paper

Hyper Suprime-Cam: autoguider and Shack-Hartmann systems
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Paper Abstract

We present methodology of the autoguider (AG) and Shack-Hartmann (SH) sensing systems which will be used for a wide-field camera, Hyper Suprime-Cam (HSC), on the prime focus of the Subaru 8.2-m telescope. For both systems, stellar images are formed on the HSC science CCDs. Although light from AG stars must pass through bandpass filters, we can obtain enough photons for AG stars brighter than mAB < 14 mag in any bandpass filter assumed in order to achieve accurate autoguiding. Spatial number density of such bright stars from the SDSS database requires an area of about two 2k×4k CCDs for AG stars. The optics of SH system except for the imaging CCDs is located within the HSC filter unit.

Paper Details

Date Published: 11 July 2008
PDF: 9 pages
Proc. SPIE 7014, Ground-based and Airborne Instrumentation for Astronomy II, 70144W (11 July 2008); doi: 10.1117/12.788481
Show Author Affiliations
Tomoki Morokuma, National Astronomical Observatory of Japan (Japan)
Yutaka Komiyama, National Astronomical Observatory of Japan (Japan)
Satoshi Miyazaki, National Astronomical Observatory of Japan (Japan)
Hidehiko Nakaya, Subaru Telescope, National Astronomical Observatory of Japan (United States)
Hisanori Furusawa, Subaru Telescope, National Astronomical Observatory of Japan (United States)
Daigo Tomono, Subaru Telescope, National Astronomical Observatory of Japan (United States)
Satoshi Kawanomoto, National Astronomical Observatory of Japan (Japan)
Yoko Tanaka, Subaru Telescope, National Astronomical Observatory of Japan (United States)


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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