All Stories

  1. Fan-shaped aurora as seen from Japan during a great magnetic storm on February 11, 1958

    Article • Journal of Space Weather and Space Climate, January 2019, EDP Sciences

    Dr Ryuho Kataoka

  2. A watercolor painting of northern lights seen above Japan on 11 February 1958

    Article • Journal of Space Weather and Space Climate, January 2019, EDP Sciences

    Dr Ryuho Kataoka

  3. Real Time and Automatic Analysis Program for WASAVIES: Warning System for Aviation Exposure to Solar Energetic Particles

    Article • Space Weather, July 2018, American Geophysical Union (AGU)

    Dr Ryuho Kataoka

  4. Radiation Dose Nowcast for the Ground Level Enhancement on 10-11 September 2017

    Article • Space Weather, July 2018, American Geophysical Union (AGU)

    Dr Ryuho Kataoka

  5. Discovery of 1 Hz Range Modulation of Isolated Proton Aurora at Subauroral Latitudes

    Article • Geophysical Research Letters, February 2018, Wiley

    Dr Ryuho Kataoka

  6. Inclined Zenith Aurora over Kyoto on 17 September 1770: Graphical Evidence of Extreme Magnetic Storm

    Article • Space Weather, October 2017, Wiley

    Dr Ryuho Kataoka

  7. Geomagnetically induced currents: Science, engineering, and applications readiness

    Article • Space Weather, July 2017, Wiley

    Dr Ryuho Kataoka

  8. Global simulation study for the time sequence of events leading to the substorm onset

    Article • Journal of Geophysical Research Space Physics, June 2017, Wiley

    Dr Ryuho Kataoka, Shigeru Fujita

  9. First evidence of patchy flickering aurora modulated by multi-ion electromagnetic ion cyclotron waves

    Article • Geophysical Research Letters, May 2017, American Geophysical Union (AGU)

    Dr Ryuho Kataoka

  10. Formation of the Sun-aligned arc region and the void (polar slot) under the null-separator structure

    Article • Journal of Geophysical Research Space Physics, April 2017, American Geophysical Union (AGU)

    Dr Ryuho Kataoka, Shigeru Fujita

  11. Cosmic ray modulation and radiation dose of aircrews during the solar cycle 24/25

    Article • Space Weather, April 2017, American Geophysical Union (AGU)

    Dr Ryuho Kataoka

  12. Historical space weather monitoring of prolonged aurora activities in Japan and in China

    Article • Space Weather, February 2017, American Geophysical Union (AGU)

    Dr Ryuho Kataoka

  13. Relativistic electron precipitation at International Space Station: Space weather monitoring by Calorimetric Electron Telescope

    Article • Geophysical Research Letters, May 2016, American Geophysical Union (AGU)

    Dr Ryuho Kataoka

  14. Pileup accident hypothesis of magnetic storm on 17 March 2015

    Article • Geophysical Research Letters, July 2015, American Geophysical Union (AGU)

    Dr Ryuho Kataoka

  15. Radiation dose forecast of WASAVIES during ground-level enhancement

    Article • Space Weather, June 2014, American Geophysical Union (AGU)

    Dr Ryuho Kataoka