X-Ray Fluorescence Spectrometry of Lunar Surface by XRS Onboard SELENE (Kaguya)

Tatsuaki OKADA; Kei SHIRAI; Yukio YAMAMOTO; Takehiko ARAI; Kazunori OGAWA; Hiroaki SHIRAISHI; Masatsuna IWASAKI; Taichi KAWAMURA; Hisataka MORITO; Manuel GRANDE; Manabu KATO

doi:10.2322/tstj.7.Tk_39

k) Solar System Exploration and Scientific Research

X-Ray Fluorescence Spectrometry of Lunar Surface by XRS Onboard SELENE (Kaguya)

Tatsuaki OKADA, Kei SHIRAI, Yukio YAMAMOTO, Takehiko ARAI, Kazunori OGAWA, Hiroaki SHIRAISHI, Masatsuna IWASAKI, Taichi KAWAMURA, Hisataka MORITO, Manuel GRANDE, Manabu KATO

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Keywords: Lunar Mission, Elemental Composition, X-Ray Fluorescence, Solar Activity, Charge-Coupled Device

JOURNAL FREE ACCESS

2009 Volume 7 Issue ists26 Pages Tk_39-Tk_42

DOI https://doi.org/10.2322/tstj.7.Tk_39

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Abstract

The status of the X-ray spectrometer XRS onboard SELENE (Kaguya) is reported. The XRS is to map major elemental composition of lunar surface but is subject to instrumental trouble and unexpectedly faint solar activity. However it observed X-rays from the onboard standard sample excited by solar X-rays and non-solar X-ray events, maybe by particle events.

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