Development of the hard x-ray detector for the ASTRO-E mission

Details Development of the hard x-ray detector for the ASTRO-E mission Development of the hard x-ray detector for the ASTRO-E mission

Sep 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995spie.2518...85k&link_type=abstract

Proc. SPIE Vol. 2518, p. 85-95, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy VI, Oswald H. Siegmund; John V. Vallerga

Astronomy and Astrophysics

Astronomy

Scientific paper

The ASTRO-E satellite is scheduled for launch in 2000 by the Institute of Space and Astronautical Science (ISAS). In this paper the design and performance of the hard x ray detector (HXD) developed for ASTRO-E are described. The HXD is a combination of YAP/BGO phoswich scintillators and silicon PIN diodes covering a wide energy band of 10 - 700 keV. The detector background is reduced down to several times 10(superscript -6)c/s/cm(superscript 2)/keV, and the sensitivity of the HXD is more than one order of magnitude higher than any other past missions in the range of a few 10 keV to several 100 keV. Thus ASTRO-E HXD is expected to achieve an extreme high performance for detecting cosmic hard x rays and low-energy gamma rays. Astrophysics to be explored with the HXT are expected to be extremely widespread and rich.

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