Performance of the 10- to 100-GeV gamma ray camera for SUBARU optical-infared telescope

Akihiro Asahara; Y. Komiyama; G. Kosugi; Hidetoshi Kubo; S. Miyazaki; M. Mori; M. Nakagiri; D. Nishida; R. Ogasawara; R. Orito; K. Sakurazawa; T. Takata; Toru Tanimori; T. Usuda

doi:10.1117/12.458152

3 March 2003 Performance of 10-100 GeV gamma ray camera for SUBARU optical-infared telescope

Akihiro Asahara, Y. Komiyama, G. Kosugi, Hidetoshi Kubo, S. Miyazaki, M. Mori, M. Nakagiri, D. Nishida, R. Ogasawara, R. Orito, K. Sakurazawa, T. Takata, Toru Tanimori, T. Usuda

Author Affiliations +

Proceedings Volume 4858, Particle Astrophysics Instrumentation; (2003) https://doi.org/10.1117/12.458152
Event: Astronomical Telescopes and Instrumentation, 2002, Waikoloa, Hawai'i, United States

Abstract

We developed the gamma-ray camera for SUBARU infrared-optical telescope, named CheSS (Cherenkov light detecting System on Subaru). The CheSS was designed based on Imaging Atmospheric Cherenkov Technique (IACT) which has been established by detections of high energy gamma-ray sources in the last decade. According to our Monte Carlo simulation, the energy thresholds of the CheSS for the Crab are 30 GeV at zenith angle of 10 degrees, and the expected sensitivity for the unpulsed component can reach ~10σ level and more for pulsed one during 10 hours on-source pointing.

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Akihiro Asahara, Y. Komiyama, G. Kosugi, Hidetoshi Kubo, S. Miyazaki, M. Mori, M. Nakagiri, D. Nishida, R. Ogasawara, R. Orito, K. Sakurazawa, T. Takata, Toru Tanimori, and T. Usuda "Performance of 10-100 GeV gamma ray camera for SUBARU optical-infared telescope", Proc. SPIE 4858, Particle Astrophysics Instrumentation, (3 March 2003); https://doi.org/10.1117/12.458152

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