Soft Gamma-ray Detector for the ASTRO-H mission

Hiroyasu Tajima, Roger Blandford, Teruaki Enoto, Yasushi Fukazawa, Kirk Gilmore, Tuneyoshi Kamae, Jun Kataoka, Madoka Kawaharada, Motohide Kokubun, Philippe Laurent, Francois Lebrun, Olivier Limousin, Greg Madejski, Kazuo Makishima, Tsunefumi Mizuno, Kazuhiro Nakazawa, Masanori Ohno, Masayuki Ohta, Goro Sato, Rie Sato & 9 others Hiromitsu Takahashi, Tadayuki Takahashi, Takaaki Tanaka, Makoto Tashiro, Yukikatsu Terada, Yasunobu Uchiyama, Shin Watanabe, Kazutaka Yamaoka, Daisuke Yonetoku

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    51 Citations (Scopus)

    Abstract

    ASTRO-H is the next generation JAXA X-ray satellite, intended to carry instruments with broad energy coverage and exquisite energy resolution. The Soft Gamma-ray Detector (SGD) is one of ASTRO-H instruments and will feature wide energy band (40-600 keV) at a background level 10 times better than the current instruments on orbit. SGD is complimentary to ASTRO-H's Hard X-ray Imager covering the energy range of 5-80 keV. The SGD achieves low background by combining a Compton camera scheme with a narrow field-of-view active shield where Compton kinematics is utilized to reject backgrounds. The Compton camera in the SGD is realized as a hybrid semiconductor detector system which consists of silicon and CdTe (cadmium telluride) sensors. Good energy resolution is afforded by semiconductor sensors, and it results in good background rejection capability due to better constraints on Compton kinematics. Utilization of Compton kinematics also makes the SGD sensitive to the gamma-ray polarization, opening up a new window to study properties of gamma-ray emission processes. The ASTRO-H mission is approved by ISAS/JAXA to proceed to a detailed design phase with an expected launch in 2014. In this paper, we present science drivers and concept of the SGD instrument followed by detailed description of the instrument and expected performance.

    Original languageEnglish
    Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
    Volume7732
    DOIs
    Publication statusPublished - 2010
    EventSpace Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray - San Diego, CA
    Duration: 2010 Jun 282010 Jul 2

    Other

    OtherSpace Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray
    CitySan Diego, CA
    Period10/6/2810/7/2

    Fingerprint

    Gamma Rays
    Gamma rays
    Detector
    gamma rays
    Detectors
    detectors
    Kinematics
    Energy
    kinematics
    Semiconductors
    Camera
    Cameras
    cameras
    Cadmium telluride
    Semiconductor detectors
    X rays
    Hard X-ray
    Sensor
    cadmium tellurides
    energy

    Keywords

    • CdTe
    • Compton telescope
    • Gamma-ray
    • Polarimeter
    • Semiconductor detector
    • Silicon Detector

    ASJC Scopus subject areas

    • Applied Mathematics
    • Computer Science Applications
    • Electrical and Electronic Engineering
    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

    Cite this

    Tajima, H., Blandford, R., Enoto, T., Fukazawa, Y., Gilmore, K., Kamae, T., ... Yonetoku, D. (2010). Soft Gamma-ray Detector for the ASTRO-H mission. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 7732). [773216] https://doi.org/10.1117/12.857531

    Soft Gamma-ray Detector for the ASTRO-H mission. / Tajima, Hiroyasu; Blandford, Roger; Enoto, Teruaki; Fukazawa, Yasushi; Gilmore, Kirk; Kamae, Tuneyoshi; Kataoka, Jun; Kawaharada, Madoka; Kokubun, Motohide; Laurent, Philippe; Lebrun, Francois; Limousin, Olivier; Madejski, Greg; Makishima, Kazuo; Mizuno, Tsunefumi; Nakazawa, Kazuhiro; Ohno, Masanori; Ohta, Masayuki; Sato, Goro; Sato, Rie; Takahashi, Hiromitsu; Takahashi, Tadayuki; Tanaka, Takaaki; Tashiro, Makoto; Terada, Yukikatsu; Uchiyama, Yasunobu; Watanabe, Shin; Yamaoka, Kazutaka; Yonetoku, Daisuke.

    Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7732 2010. 773216.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Tajima, H, Blandford, R, Enoto, T, Fukazawa, Y, Gilmore, K, Kamae, T, Kataoka, J, Kawaharada, M, Kokubun, M, Laurent, P, Lebrun, F, Limousin, O, Madejski, G, Makishima, K, Mizuno, T, Nakazawa, K, Ohno, M, Ohta, M, Sato, G, Sato, R, Takahashi, H, Takahashi, T, Tanaka, T, Tashiro, M, Terada, Y, Uchiyama, Y, Watanabe, S, Yamaoka, K & Yonetoku, D 2010, Soft Gamma-ray Detector for the ASTRO-H mission. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 7732, 773216, Space Telescopes and Instrumentation 2010: Ultraviolet to Gamma Ray, San Diego, CA, 10/6/28. https://doi.org/10.1117/12.857531
    Tajima H, Blandford R, Enoto T, Fukazawa Y, Gilmore K, Kamae T et al. Soft Gamma-ray Detector for the ASTRO-H mission. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7732. 2010. 773216 https://doi.org/10.1117/12.857531
    Tajima, Hiroyasu ; Blandford, Roger ; Enoto, Teruaki ; Fukazawa, Yasushi ; Gilmore, Kirk ; Kamae, Tuneyoshi ; Kataoka, Jun ; Kawaharada, Madoka ; Kokubun, Motohide ; Laurent, Philippe ; Lebrun, Francois ; Limousin, Olivier ; Madejski, Greg ; Makishima, Kazuo ; Mizuno, Tsunefumi ; Nakazawa, Kazuhiro ; Ohno, Masanori ; Ohta, Masayuki ; Sato, Goro ; Sato, Rie ; Takahashi, Hiromitsu ; Takahashi, Tadayuki ; Tanaka, Takaaki ; Tashiro, Makoto ; Terada, Yukikatsu ; Uchiyama, Yasunobu ; Watanabe, Shin ; Yamaoka, Kazutaka ; Yonetoku, Daisuke. / Soft Gamma-ray Detector for the ASTRO-H mission. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 7732 2010.
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    abstract = "ASTRO-H is the next generation JAXA X-ray satellite, intended to carry instruments with broad energy coverage and exquisite energy resolution. The Soft Gamma-ray Detector (SGD) is one of ASTRO-H instruments and will feature wide energy band (40-600 keV) at a background level 10 times better than the current instruments on orbit. SGD is complimentary to ASTRO-H's Hard X-ray Imager covering the energy range of 5-80 keV. The SGD achieves low background by combining a Compton camera scheme with a narrow field-of-view active shield where Compton kinematics is utilized to reject backgrounds. The Compton camera in the SGD is realized as a hybrid semiconductor detector system which consists of silicon and CdTe (cadmium telluride) sensors. Good energy resolution is afforded by semiconductor sensors, and it results in good background rejection capability due to better constraints on Compton kinematics. Utilization of Compton kinematics also makes the SGD sensitive to the gamma-ray polarization, opening up a new window to study properties of gamma-ray emission processes. The ASTRO-H mission is approved by ISAS/JAXA to proceed to a detailed design phase with an expected launch in 2014. In this paper, we present science drivers and concept of the SGD instrument followed by detailed description of the instrument and expected performance.",
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    AU - Enoto, Teruaki

    AU - Fukazawa, Yasushi

    AU - Gilmore, Kirk

    AU - Kamae, Tuneyoshi

    AU - Kataoka, Jun

    AU - Kawaharada, Madoka

    AU - Kokubun, Motohide

    AU - Laurent, Philippe

    AU - Lebrun, Francois

    AU - Limousin, Olivier

    AU - Madejski, Greg

    AU - Makishima, Kazuo

    AU - Mizuno, Tsunefumi

    AU - Nakazawa, Kazuhiro

    AU - Ohno, Masanori

    AU - Ohta, Masayuki

    AU - Sato, Goro

    AU - Sato, Rie

    AU - Takahashi, Hiromitsu

    AU - Takahashi, Tadayuki

    AU - Tanaka, Takaaki

    AU - Tashiro, Makoto

    AU - Terada, Yukikatsu

    AU - Uchiyama, Yasunobu

    AU - Watanabe, Shin

    AU - Yamaoka, Kazutaka

    AU - Yonetoku, Daisuke

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    N2 - ASTRO-H is the next generation JAXA X-ray satellite, intended to carry instruments with broad energy coverage and exquisite energy resolution. The Soft Gamma-ray Detector (SGD) is one of ASTRO-H instruments and will feature wide energy band (40-600 keV) at a background level 10 times better than the current instruments on orbit. SGD is complimentary to ASTRO-H's Hard X-ray Imager covering the energy range of 5-80 keV. The SGD achieves low background by combining a Compton camera scheme with a narrow field-of-view active shield where Compton kinematics is utilized to reject backgrounds. The Compton camera in the SGD is realized as a hybrid semiconductor detector system which consists of silicon and CdTe (cadmium telluride) sensors. Good energy resolution is afforded by semiconductor sensors, and it results in good background rejection capability due to better constraints on Compton kinematics. Utilization of Compton kinematics also makes the SGD sensitive to the gamma-ray polarization, opening up a new window to study properties of gamma-ray emission processes. The ASTRO-H mission is approved by ISAS/JAXA to proceed to a detailed design phase with an expected launch in 2014. In this paper, we present science drivers and concept of the SGD instrument followed by detailed description of the instrument and expected performance.

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    KW - Compton telescope

    KW - Gamma-ray

    KW - Polarimeter

    KW - Semiconductor detector

    KW - Silicon Detector

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