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Ryuho Kataoka

Researcher at National Institute of Polar Research

Publications -  205
Citations -  5138

Ryuho Kataoka is an academic researcher from National Institute of Polar Research. The author has contributed to research in topics: Solar wind & Geomagnetic storm. The author has an hindex of 33, co-authored 193 publications receiving 4021 citations. Previous affiliations of Ryuho Kataoka include Goddard Space Flight Center & Tokyo Institute of Technology.

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Ring current ions and radiation belt electrons during geomagnetic storms driven by coronal mass ejections and corotating interaction regions

TL;DR: In this paper, the authors conducted epoch analyses of ring current (RC) ions and radiation belt (RB) electrons for geomagnetic storms with Dst −130 nT associated with corotating interaction regions (CIRs), and CME-driven great storms with dst 3.5 during the recovery phase.
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Major geomagnetic storms (Dst ≤ −100 nT) generated by corotating interaction regions

TL;DR: In this article, the authors compare the geomagnetic effects of CIR-associated storms with those of 159 other CIRs observed during 1996-2005, and find that the major storms form the extreme tail of a continuous distribution of the CIR geoeffectiveness which peaks at Dst ∼ −40 nT but is subject to a prominent seasonal variation of ∼ 40 nT which is ordered by the spring and fall equinoxes and the solar wind magnetic field direction toward or away from the Sun.
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Extended Measurement of the Cosmic-Ray Electron and Positron Spectrum from 11 GeV to 4.8 TeV with the Calorimetric Electron Telescope on the International Space Station.

O. Adriani, +90 more
TL;DR: The measured all-electron flux, including statistical errors and a detailed breakdown of the systematic errors, is tabulated in the Supplemental Material in order to allow more refined spectral analyses based on the data.
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Energy Spectrum of Cosmic-Ray Electron and Positron from 10 GeV to 3 TeV Observed with the Calorimetric Electron Telescope on the International Space Station

O. Adriani, +90 more
TL;DR: First results of a cosmic-ray electron and positron spectrum from 10 GeV to 3 TeV is presented based upon observations with the CALET instrument on the International Space Station starting in October, 2015.