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Proceedings Paper

The MAXI mission on the International Space Station
Author(s): Hiroshi Tomida; Masaru Matsuoka; Shiro Ueno; Ken'ichi Torii; Mutsumi Sugizaki; Wei Ming Yuan; Shigenori Komatsu; Yuji Shirasaki; Nobuyuki Kawai; Atsumasa Yoshida; Tatehiro Mihara; Ikuya Sakurai; Hitoshi Negoro; Hiroshi Tsunemi; Emi Miyata; Makoto Yamauchi; Isao Tanaka
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Paper Abstract

Monitor of All-sky X-ray Image (MAXI) is the first astrophysical payload which will be mounted on the Japanese Experiment Module Exposed Facility of International Space Station in 2004. It is designed for monitoring all-sky in the x-ray band by scanning with slat collimators and slit apertures. Its angular resolution and scanning period are approximately 1 arc degree and 90 minutes, respectively. MAXI employs two types of X-ray camera. One is Gas slit Camera (GSC), the detectors of which are 1D position sensitive proportional counters. Its position resolution is approximately 1.0 mm along carbon anode wires. GSC covers the 2.0 - 30 keV energy band. We have found an interesting feature in the energy response: monochromatic X-rays are detected with a peculiar hard tail in the spectra. The physical mechanism causing the hard tail is still unclear. The other camera is Solid-state Slit Camera (SSC). We employ a pair of SSCs, each of which consists of sixteen CCD chips. Each CCD has 1024 X 1024 pixels, and each pixel is 24 X 24 micrometers. The CCDs are to be operated at -60 degree using Peltier coolers. SSC covers an energy range of 0.5 - 10.0 keV. The test counters and test chips are evaluated in NASDA, Riken, and Osaka-University. The continuous Ethernet down link will enable us to alert the astronomers in all over the world to the appearance of X-ray transients, novae, bursts, flares etc. In this paper we will report on the current status of the MAXI mission.

Paper Details

Date Published: 18 July 2000
PDF: 8 pages
Proc. SPIE 4012, X-Ray Optics, Instruments, and Missions III, (18 July 2000); doi: 10.1117/12.391552
Show Author Affiliations
Hiroshi Tomida, National Space Development Agency of Japan (Japan)
Masaru Matsuoka, National Space Development Agency of Japan (Japan)
Shiro Ueno, National Space Development Agency of Japan (Japan)
Ken'ichi Torii, National Space Development Agency of Japan (Japan)
Mutsumi Sugizaki, National Space Development Agency of Japan (Japan)
Wei Ming Yuan, National Space Development Agency of Japan (Japan)
Shigenori Komatsu, National Space Development Agency of Japan (Japan)
Yuji Shirasaki, National Space Development Agency of Japan (Japan)
Nobuyuki Kawai, National Space Development Agency of Japan & RIKEN-The Inst. of Physical & Chem. Research (Japan)
Atsumasa Yoshida, National Space Development Agency of Japan & RIKEN-The Inst. of Physical & Chem. Research (Japan)
Tatehiro Mihara, National Space Development Agency of Japan & RIKEN-The Inst. of Physical & Chem. Research (Japan)
Ikuya Sakurai, RIKEN-The Institute of Physical and Chemical Research (Japan)
Hitoshi Negoro, RIKEN-The Institute of Physical and Chemical Research (Japan)
Hiroshi Tsunemi, National Space Development Agency of Japan and Osaka Univ. (Japan)
Emi Miyata, National Space Development Agency of Japan and Osaka Univ. (Japan)
Makoto Yamauchi, Miyazaki Univ. (Japan)
Isao Tanaka, Meisei Electric Corp. (Japan)


Published in SPIE Proceedings Vol. 4012:
X-Ray Optics, Instruments, and Missions III
Joachim E. Truemper; Bernd Aschenbach, Editor(s)

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