| Budget Amount *help |
¥17,160,000 (Direct Cost: ¥13,200,000、Indirect Cost: ¥3,960,000)
Fiscal Year 2021: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2020: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2019: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000)
Fiscal Year 2018: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
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| Outline of Final Research Achievements |
For the purpose of a development for the next-generation observatories of ultrahigh-energy cosmic rays, we developed new economical fluorescence telescope consisting of a segment mirror in 1.6 m diameter and four large photomultiplier tubes in 20 cm diameter. To investigate the systematic uncertainties between the Telescope Array Experiment and the Pierre Auger Observatory, which are currently operating in the northern and southern hemispheres, respectively, we installed the identical fluorescence telescope at both experiment sites and started the steady operation to detect ultrahigh-energy cosmic rays by a remote control from Japan. Observations of extremely high-energy cosmic rays were started by remote control from Japan. In the operation thus far, we have accomplished the expected signal detection from the ultrahigh -energy cosmic rays by the installed telescopes.
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