Okayama astrophysical observatory wide field camera

Kenshi Yanagisawa; Yasuhiro Shimizu; Kiichi Okita; Daisuke Kuroda; Hisashi Koyano; Hironori Tsutsui; Hiroyuki Toda; Hideyuki Izumiura; Michitoshi Yoshida; Kouji Ohta; Nobuyuki Kawai; Tomoyasu Yamamuro

doi:10.1117/12.2055438

28 July 2014 Okayama astrophysical observatory wide field camera

Kenshi Yanagisawa, Yasuhiro Shimizu, Kiichi Okita, Daisuke Kuroda, Hisashi Koyano, Hironori Tsutsui, Hiroyuki Toda, Hideyuki Izumiura, Michitoshi Yoshida, Kouji Ohta, Nobuyuki Kawai, Tomoyasu Yamamuro

Author Affiliations +

Proceedings Volume 9147, Ground-based and Airborne Instrumentation for Astronomy V; 91476D (2014) https://doi.org/10.1117/12.2055438
Event: SPIE Astronomical Telescopes + Instrumentation, 2014, Montréal, Quebec, Canada

Abstract

Okayama Astrophysical Observatory Wide Field Camera: OAOWFC is a near-infrared (0.9-2.5 μm) survey telescope, whose aperture is 0.91m. It works at Y, J, H, and Ks bands. The optics are consisted of forward Cassegrain and quasi Schmidt which yield the image circle of Φ 52 mm or Φ 1.3 deg at the focal plane. The overall F-ratio is F/2.51 which is one of the fastest among near infrared imagers in the world. A HAWAII-1 detector array placed at the focal plane cuts the central 0.48 deg. x 0.48 deg. with a pixel scale of 1.67 arcsec/pix. It will be used to survey the Galactic plane for variability and search for transients such as Gamma-ray burst afterglows optical counterpart of gravitational wave sources.

Citation Download Citation

Kenshi Yanagisawa, Yasuhiro Shimizu, Kiichi Okita, Daisuke Kuroda, Hisashi Koyano, Hironori Tsutsui, Hiroyuki Toda, Hideyuki Izumiura, Michitoshi Yoshida, Kouji Ohta, Nobuyuki Kawai, and Tomoyasu Yamamuro "Okayama astrophysical observatory wide field camera", Proc. SPIE 9147, Ground-based and Airborne Instrumentation for Astronomy V, 91476D (28 July 2014); https://doi.org/10.1117/12.2055438

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