Research keywords (8):
Space Plasma
, Space Science
, Solar Wind
, Magnetosphere/Ionosphere
, In-situ Observation
, Exploration Mission
, Aurora
, Space Storm
Research theme for competitive and other funds (21):
1995 - 1997 Fundamental technical development of the detector system of the solar resonance scattering light by analyzing the ion density and velocity distribution
1995 - 1997 Data logging system on Internet for long term and reliable recording of magnetic disturbances in the polar region
1995 - 1996 Study of Particle Acceleration Process in Magnetic Reconnection
1994 - 1996 Development of EUV telescope for planetary plasma imgery
1992 - 1994 Investigation of the Geomagnetic Tail by the GEOTAIL Satellite
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Papers (104):
Masafumi Hirahara, Tomomi Takei, Shoichiro Yokota, Tomoki Yanagimachi. Triple-Dome Electrostatic Energy Analyzer With 360° Field-Of-View for Simultaneous Measurements of Ions and Electrons. Journal of Geophysical Research: Space Physics. 2023. 128. 10
Oya Kawashima, Naho Yanase, Yoshihisa Okitsu, Masafumi Hirahara, Yoshifumi Saito, Yuzuru Karouji, Naoki Yamamoto, Shoichiro Yokota, Satoshi Kasahara. Development of an electron impact ion source with high ionization efficiency for future planetary missions. Planetary and Space Science. 2022. 220. 105547-105547
M. Nosé, A. Matsuoka, Y. Miyoshi, K. Asamura, T. Hori, M. Teramoto, I. Shinohara, M. Hirahara, C. A. Kletzing, C. W. Smith, et al. Flux enhancements of field-aligned low-energy O + ion (FALEO) in the inner magnetosphere: A possible source of warm plasma cloak and oxygen torus. Journal of Geophysical Research: Space Physics. 2022
Naritoshi Kitamura, Kanako Seki, Kunihiro Keika, Yukitoshi Nishimura, Tomoaki Hori, Masafumi Hirahara, Eric J. Lund, Lynn M. Kistler, Robert J, Strangeway. On the relationship between energy input to the ionosphere and the ion outflow flux under different solar zenith angles. Earth, Planets and Space. 2021. 73. 202
Yoshifumi Saito, Dominique Delcourt, Masafumi Hirahara, Stas Barabash, Nicolas André, Takeshi Takashima, Kazushi Asamura, Shoichiro Yokota, Martin Wieser, Masaki N. Nishino, et al. Pre-flight Calibration and Near-Earth Commissioning Results of the Mercury Plasma Particle Experiment (MPPE) Onboard MMO (Mio). Space Science Reviews. 2021. 217. 5
Evidence for a Multi-Scale Aurora, in The Dynamic Magnetosphere
Springer Book 2011 ISBN:9789400705005
Future Perspectives of Space Plasma and Particle Instrumentation and International Collaborations
AIP conference proceedings 2009
Japan's Small Scientific Satellite, "INDEX" (Reimei), in "Small Satellites: Past, Present, and Future"
The Aerospace Press 2008
Lectures and oral presentations (1):
A comparative study on the structures and dynamics of auroras and the fine properties of auroral particles using Reimei
(IUGG 2011 2011)
Works (1):
風の事典
2010 - 2011
Education (3):
1989 - 1992 Kyoto University Graduate School, Division of Natural Science Geophysics
1987 - 1989 Kyoto University Graduate School, Division of Natural Science Geophysics
1983 - 1987 Kyoto University Faculty of Science Department of Geophysics
Professional career (3):
学士(理学) (京都大学)
修士(理学) (京都大学)
博士(理学) (京都大学)
Work history (7):
2013/04/01 - 2015/09/30 Nagoya University Solar-Terrestrial Environment Laboratory Geospace Research Center Director in General
2007/09/01 - 2011/03/31 Professor, Graduate School of Science, The University of Tokyo
2007/04/01 - 2007/08/31 Associate Professor, College of Science, Rikkyo University
2000/04/01 - 2007/03/31 Associate Professor, College of Science, Rikkyo University
1997/05/01 - 2000/03/31 Lecturer, College of Science, Rikkyo University
1993/04/01 - 1997/04/30 Assistant Professor, Graduate School of Science, The University of Tokyo
1992/06/01 - 1993/03/31 Assistant Professor, Shool of Science, The University of Tokyo
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Awards (1):
1998/06 - The National Aeronautics and Space Administration Group Achievement Award
Association Membership(s) (5):
The Japanese Society for Planetary Sciences
, American Geophysical Union
, Asia Oceania Geosciences Society
, 日本地球惑星科学連合
, Society of Geomagnetism and Earth, Planetary and Space Sciences