Instruments for the Observation of Garactic X-Rays

概要

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Three types of rocket-borne X-ray instruments were constructed; they consist of a scintillation counter, four proportional counters and twenty-three GM counters respectively. The scintillation counter was used to observe isotropic X-rays in the energy ranges of 5∿10,10∿15,15∿20 and ≥20KeV, and the proportional counters to observe the intensities of X-rays from several sources in the energy ranges of 2∿4,4∿8 and 8∿16 KeV. The GM counters were used to observe the intensities of X-rays from several sources in the wavelength ranges of 2∿4,4∿8 and 7∿11A. Their properties were tested by radioactive sources and were found to be suitable to analyze the energy spectrum of galactic X-rays and to reject charged particles. Their counter systems were successful to obtain several data of galactic X-rays and atmospheric X-rays, and the method of data analyses as well as preliminary results are also described.
宇宙航空研究開発機構の論文