The high precision gamma-ray spectrometer for lunar polar orbiter SELENE

Nobuyuki Hasebe, N. Yamashita, O. Okudaira, S. Kobayashi, H. Yamamoto, T. Ishizaki, K. Hirano, K. Sakurai, T. Miyachi, M. Miyajima, M. Fujii, M. N. Kobayashi, T. Takashima, E. Shibamura, O. Gasnault, S. Maurice, C. d'Uston, R. Reedy, M. Grande

    Research output: Contribution to journalArticle

    18 Citations (Scopus)

    Abstract

    The high precision gamma-ray spectrometer (GRS) is scheduled to be launched on the lunar polar orbiter of the SELENE mission in 2007. The GRS consists of a large Ge crystal as a main detector and massive bismuth germanate crystals as an anticoincidence detector. A Stirling cryocooler was adopted in cooling the Ge detector. The flight model of SELENE GRS has been completed and an energy resolution of 3.0 keV (FWHM) at 1.332 MeV has been achieved. The spectrometer aims to observe nuclear line gamma rays emitted from the lunar surface in a wide energy range from 100 keV to 12 MeV for one year and more to obtain chemical composition on the entire lunar surface. The gamma-ray data enable us to study lunar geoscience problems including crust and mantle composition, and volatile reservoirs at polar regions.

    Original languageEnglish
    Pages (from-to)323-330
    Number of pages8
    JournalAdvances in Space Research
    Volume42
    Issue number2
    DOIs
    Publication statusPublished - 2008 Jul 18

    Fingerprint

    Gamma ray spectrometers
    gamma ray spectrometers
    lunar surface
    spectrometer
    Detectors
    Gamma rays
    anticoincidence detectors
    gamma rays
    Crystals
    detectors
    crystal
    Full width at half maximum
    Bismuth
    Chemical analysis
    polar regions
    bismuth
    crystals
    Spectrometers
    crusts
    chemical composition

    Keywords

    • Chemical composition
    • Gamma-ray
    • Ge detector
    • GRS
    • Lunar
    • Moon
    • Planetary spectroscopy
    • SELENE
    • Stirling cooler

    ASJC Scopus subject areas

    • Space and Planetary Science
    • Astronomy and Astrophysics

    Cite this

    Hasebe, N., Yamashita, N., Okudaira, O., Kobayashi, S., Yamamoto, H., Ishizaki, T., ... Grande, M. (2008). The high precision gamma-ray spectrometer for lunar polar orbiter SELENE. Advances in Space Research, 42(2), 323-330. https://doi.org/10.1016/j.asr.2007.05.046

    The high precision gamma-ray spectrometer for lunar polar orbiter SELENE. / Hasebe, Nobuyuki; Yamashita, N.; Okudaira, O.; Kobayashi, S.; Yamamoto, H.; Ishizaki, T.; Hirano, K.; Sakurai, K.; Miyachi, T.; Miyajima, M.; Fujii, M.; Kobayashi, M. N.; Takashima, T.; Shibamura, E.; Gasnault, O.; Maurice, S.; d'Uston, C.; Reedy, R.; Grande, M.

    In: Advances in Space Research, Vol. 42, No. 2, 18.07.2008, p. 323-330.

    Research output: Contribution to journalArticle

    Hasebe, N, Yamashita, N, Okudaira, O, Kobayashi, S, Yamamoto, H, Ishizaki, T, Hirano, K, Sakurai, K, Miyachi, T, Miyajima, M, Fujii, M, Kobayashi, MN, Takashima, T, Shibamura, E, Gasnault, O, Maurice, S, d'Uston, C, Reedy, R & Grande, M 2008, 'The high precision gamma-ray spectrometer for lunar polar orbiter SELENE', Advances in Space Research, vol. 42, no. 2, pp. 323-330. https://doi.org/10.1016/j.asr.2007.05.046
    Hasebe N, Yamashita N, Okudaira O, Kobayashi S, Yamamoto H, Ishizaki T et al. The high precision gamma-ray spectrometer for lunar polar orbiter SELENE. Advances in Space Research. 2008 Jul 18;42(2):323-330. https://doi.org/10.1016/j.asr.2007.05.046
    Hasebe, Nobuyuki ; Yamashita, N. ; Okudaira, O. ; Kobayashi, S. ; Yamamoto, H. ; Ishizaki, T. ; Hirano, K. ; Sakurai, K. ; Miyachi, T. ; Miyajima, M. ; Fujii, M. ; Kobayashi, M. N. ; Takashima, T. ; Shibamura, E. ; Gasnault, O. ; Maurice, S. ; d'Uston, C. ; Reedy, R. ; Grande, M. / The high precision gamma-ray spectrometer for lunar polar orbiter SELENE. In: Advances in Space Research. 2008 ; Vol. 42, No. 2. pp. 323-330.
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