Status and expected perfomance of the MAXI mission for the JEM/ISS

MAXI (Monitor of All-sky X-ray Image) is the first payload to be attached on JEM-EF (Kibo exposed facility) of ISS. It provides an all sky X-ray image every ISS orbit. Only with a few weeks scan, MAXI is expected to make a milli-Crab X-ray all sky map excluding bright region around the sun. Thus, MA...

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Bibliographic Details
Main Authors: Kataoka, J, Kawai, N
Format: Conference Proceeding
Language:English
Subjects:
ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
CAMERAS
CHARGE-COUPLED DEVICES
COLLIMATORS
COMPUTER CODES
COSMIC PHOTONS
COSMIC X-RAY SOURCES
DATA PROCESSING
GAMMA ASTRONOMY
GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
KEV RANGE
NOVAE
PROPORTIONAL COUNTERS
SPACE VEHICLES
SUN
X RADIATION
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Summary:MAXI (Monitor of All-sky X-ray Image) is the first payload to be attached on JEM-EF (Kibo exposed facility) of ISS. It provides an all sky X-ray image every ISS orbit. Only with a few weeks scan, MAXI is expected to make a milli-Crab X-ray all sky map excluding bright region around the sun. Thus, MAXI does not only inform X-ray novae and transients rapidly to world astronomers if once they occur, but also observes long-term variability of Galact ic and extra-Galactic X-ray sources. MAXI also provides an X-ray source catalogue at that time with diffuse cosmic X-ray background. MAXI consists of two kinds of detectors, position sensitive gas-proportional counters for 2 -30 keV X-rays and CCD cameras for 0.5 -10 keV X-rays. All instruments of MAXI are now in final phase of pre-launching tests of their flight modules. We are also carrying out performance tests for X-ray detectors and collimators. Data processing and analysis software including alert system on ground are being developed by mission team. In this paper we report an overview of final instruments of MAXI and capability of MAXI.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.3076803