Wide field NEO survey 1.0-m telescope with 10 2k x 4k mosaic CCD camera

Syuzo Isobe; Atsuo Asami; David John Asher; Toshiyasu Hashimoto; Shi-ichi Nakano; Kota Nishiyama; Yoshiaki Ohshima; Junya Terazono; Hiroaki Umehara; Makoto Yoshikawa

doi:10.1117/12.457345

24 December 2002 Wide field NEO survey 1.0-m telescope with 10 2k×4k mosaic CCD camera

Syuzo Isobe, Atsuo Asami, David John Asher, Toshiyasu Hashimoto, Shi-ichi Nakano, Kota Nishiyama, Yoshiaki Ohshima, Junya Terazono, Hiroaki Umehara, Makoto Yoshikawa

Author Affiliations +

Proceedings Volume 4836, Survey and Other Telescope Technologies and Discoveries; (2002) https://doi.org/10.1117/12.457345
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

We developed a new 1.0 m telescope with a 3 degree flat focal plane to which a mosaic CCD camera with 10 2k×4k chips is fixed. The system was set up in February 2002, and is now undergoing the final fine adjustments. Since the telescope has a focal length of 3 m, a field of 7.5 square degrees is covered in one image. In good seeing conditions, 1.5 arc seconds, at the site located in Bisei town, Okayama prefecture in Japan, we can expect to detect down to 20th magnitude stars with an exposure time of 60 seconds. Considering a read-out time, 46 seconds, of the CCD camera, one image is taken in every two minutes, and about 2,100 square degrees of field is expected to be covered in one clear night. This system is very effective for survey work, especially for Near-Earth-Asteroid detection.

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Syuzo Isobe, Atsuo Asami, David John Asher, Toshiyasu Hashimoto, Shi-ichi Nakano, Kota Nishiyama, Yoshiaki Ohshima, Junya Terazono, Hiroaki Umehara, and Makoto Yoshikawa "Wide field NEO survey 1.0-m telescope with 10 2k×4k mosaic CCD camera", Proc. SPIE 4836, Survey and Other Telescope Technologies and Discoveries, (24 December 2002); https://doi.org/10.1117/12.457345

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