Development of UV telescope system for the astronomical observation satellite PETREL

• DOI: 10.1117/12.3015955
• Publication Date: 2024-08-22T01:01:31Z
• Authors: Minori Fukuda; Yoichi Yatsu; Shunsuke Hayatsu; Hibiki Seki; Shigeaki Joshima; Masafumi Niwano; Nobuyuki Kawai; Kei Watanabe; Hiroyuki Kobayashi; Yuki Amaki; Daiki Kobayashi; Moe Yasuda; Keito Otsubo; Yusuke Arai; Yusaku Ozeki; Katsuki Tashiro; Kiyona Miyamoto; Toshihiro Chujo; Hiroki Nakanishi; Yu Murata; Tohru Nakano; Masashi Uo; Hiroaki Kobayashi; Eriko Kusunoki; Norihide Takeyama; Mai Shirahata; Akito Enokuchi; Leo Terada; Toshiki Ozawa; Takahiro Noguchi; Naoki Ogino; Makoto Arimoto; Daisuke Yonetoku; Hiromasa Tamura
• Keywords: Petrel

PETREL (Platform for Extra & Terrestrial Remote Examination with LCTF) is a 50kg class satellite 80mm-diameter Ultraviolet Telescope (UVT). The science missions of the UVT system are discovery high-energy transients, such as supernovae and gravitational-wave electromagnetic sources. To achieve them, optical optimized to detect near-UV photons between 250 300 nm. Within 30-minutes exposure time per every revolution, it surveys remarkably wide field 50 deg^2 high sensitivity 20~ AB magnitude. Board Unit has an on-board computer, which directly analyzes raw images obtained by back-illuminated CMOS sensor. computer can transients immediately, so alert transient information ground within 30 minutes discovery. We will first UV survey explore in their early phase reveal underlying physical processes.