Flight CCD selection for the x-ray CCD camera of the Monitor of All-sky X-ray Image and mission onboard the International Space Station

Emi Miyata; Daisuke Kamiyama; Hirohiko Kouno; Norbert Nemesh; Hiroshi Tomida; Haruyoshi Katayama; Hiroshi Tsunemi; Masaru Matsuoka

doi:10.1117/12.504005

3 February 2004 Flight CCD selection for the x-ray CCD camera of the Monitor of All-sky X-ray Image and mission onboard the International Space Station

Emi Miyata, Daisuke Kamiyama, Hirohiko Kouno, Norbert Nemesh, Hiroshi Tomida, Haruyoshi Katayama, Hiroshi Tsunemi, Masaru Matsuoka

Author Affiliations +

Proceedings Volume 5165, X-Ray and Gamma-Ray Instrumentation for Astronomy XIII; (2004) https://doi.org/10.1117/12.504005
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

MAXI, Monitor of All-sky X-ray Image, is an X-ray observatory on the Japanese Experimental Module (JEM) Exposed Facility (EF) on the international space station. MAXI is a slit scanning camera which consists of two kinds of X-ray detectors: one is a one-dimensional position-sensitive proportional counter with a total area of ~5000 cm², the Gas Slit Camera (GSC), and the other is an X-ray charge-coupled device (CCD) array with a total area ~200 cm², the Solid-state Slit Camera (SSC). The GSC subtends a field of view with an angular dimension of 1degree X 180degree while the SSC subtends a field of view with an angular dimension of 1degree times a little less than 180degree. In the course of one station orbit, MAXI can scan almost the entire sky with a precision of 1degree and with an X-ray energy range of 0.5-30keV. So far, we have fabricate 25 CCDs for flight candidates and production of devices are still continued. We need to select 32 and 16 CCDs to install a flight camera and a spare camera, respectively. We therefore developed the efficient screening method using ⁵⁵Fe sources. The key parameters of the CCDs for the screening are readout noise, dark current, charge transfer efficiency, and detection efficiency. The performance criteria used to rank devices are discussed.

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Emi Miyata, Daisuke Kamiyama, Hirohiko Kouno, Norbert Nemesh, Hiroshi Tomida, Haruyoshi Katayama, Hiroshi Tsunemi, and Masaru Matsuoka "Flight CCD selection for the x-ray CCD camera of the Monitor of All-sky X-ray Image and mission onboard the International Space Station", Proc. SPIE 5165, X-Ray and Gamma-Ray Instrumentation for Astronomy XIII, (3 February 2004); https://doi.org/10.1117/12.504005

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