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WIZARD: New observation system of zodiacal light in Kobe University

M.Ishiguroa T.Mukaib, R.Nakamura0, F.Usui, and M.Uenod aThe Institute of Space and Astronautical Science(ISAS), Yoshinodai 3-1-1, Sagamihara, Kanagawa 229-8510, Japan bGraduate School of Science and Technology, Kobe University, Rokko-dai-cho l-l,Nada, Kobe 657-8501, Japan cNational Space Development Agency of Japan (NASDA), Harumi 1-8-10, Chuou-ku, Tokyo 104-6023, Japan dGraduate School of Arts and Sciences, University of Tokyo, Komaba 3-8-1, Meguro, Tokyo 153-8902, Japan

We describe a new system(WIZARD1) for zodiacal light observations, developed by a group in Kobe University, Japan. Since the zodiacal light is faint and widespread all over the sky, the system consists of a very sensitive CCD camera with a quantum efficiency of 90% at 500 nm and a wide angle lens with a FOV of 92°x46°. WIZARD will be able to measure the absolute brightness of diffuse sky in visible wavelengths. The zodiacal component will be separated from the integrated star light, airglow continuum and the scattered light in the atmosphere, in the data reduction procedure. We report the design of WIZARD and the expected performance2.

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