HelioWebK. Keika
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A[K. Keika]
AC["Associated Concepts (25)"]
AW["Authored Works (23)"]
CA["Linked Co-Authors (86)"]
CI["Linked Collaborating Institutions (42)"]
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AW== author ==>CA
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click AW "#authored-works"
click CA "#co-authors"
click CI "#collaborating-institutions"
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- ORCiD
- https://orcid.org/0000-0003-0265-4318
- OpenAlex ID
- https://openalex.org/A5056752160 (API record)
Associated Concepts [?]
- Physics
- Quantum mechanics
- Geology
- Nuclear physics
- Plasma
- Magnetic field
- Magnetosphere
- Geophysics
- Chemistry
- Astronomy
- Geography
- Organic chemistry
- Engineering
- Meteorology
- Earth's magnetic field
- Ion
- Atmospheric sciences
- Electron
- Van Allen radiation belt
- Solar wind
- Oceanography
- Mathematics
- Computational physics
- Atomic physics
- Van Allen Probes
Authored Works
sorted by decreasing year, and then by display-name
- Signatures of Auroral Potential Structure Extending Through the Near-Equatorial Inner Magnetosphere
- SAPS electric field and particle boundaries in the equatorial magnetosphere as observed by Arase
- Relativistic electron precipitations by chorus waves and its impacts on the middle atmosphere: Conjugate observations by the Arase satellite and EISCAT radar
- Radiation Belt Daily Average Electron Flux Model (RB-Daily-E) from the Seven-Year Van Allen Probes Mission and Its Application to Interpret GPS On-orbit Solar Array Degradation
- Plasmasphere formation at terrestrial rocky exoplanets around M-Dwarf stars and its detectability: Possible evidence for the intrinsic magnetic field and thick atmosphere
- Plasma pressure distribution of ions and electrons in the inner magnetosphere during CIR and CME driven storms observed by Arase satellite
- On the Relationship between Energy Input to the Earth's Polar Ionosphere and the Ion Outflow Flux under Different Solar Zenith Angles
- Multi-event analysis of three-types of optical emissions at subauroral latitudes using ground optical and radio instruments and the Arase and Van Allen Probes satellites
- EMIC wave induced proton precipitation during the 27-28 May 2017 storm: Comparison of BATSRUS+RAM-SCB simulations with ground/space based observations
- Conjugate observation of the source region in a storm-time substorm auroral arc using the Arase satellite at L 6 on September 8, 2017
- Comparisons of Energetic Particle Injections Using Multipoint Observations from MMS, Van Allen Probes, and Arase
- Arase observation of the simultaneous enhancement of electron flux and whistler-mode chorus emissions associated with toroidal mode ultralow frequency waves
- Analysis of Electron Precipitation and Ionospheric Density Enhancements due to Hiss Using Incoherent Scatter Radar and Arase Observations
- A statistical study of the behaviors of energetic ions (H+, He+, and O+) in the inner magnetosphere using the Arase satellite observations
- Pi2 oscillations in a substorm brightening aurora and source ion spectra observed on 28 December 2018 by a ground EMCCD camera and the Arase satellite at L 5
- Observational study on preferential energization of lower-charge-state heavier ions in the near-Earth magnetotail
- Ionospheric outflow associated with SAPS observed by SuperDARN and Arase
- Energy-Resolved Detection of Precipitating Electrons of 30100 keV by a Sounding Rocket Associated with Dayside Chorus Waves
- Coordinated observations of the effect of consecutive HSS pulses on relativistic electron enhancement
- Connection between Equatorward Detachment of Auroral Arc from the Oval and the Inner Magnetosphere: Conjugate Observations with an All-Sky Imager and the Arase Satellite
- Case analysis of SAPS Wave Structures observed by Arase satellite and SuperDARN
- A statistical study of EMIC (Electromagnetic Ion Cyclotron) wave-particle interactions in the magnetosphere using Arase observations
- A comparative study on electron contribution to the ring current during CME and CIR driven geomagnetic storms using RAM-SCB simulations and Arase and ground magnetic data
Linked Co-Authors
- A. J. Boyd
- A. Kumamoto
- A. Matsuoka
- A. Runov
- Alan Dyer
- Allison Jaynes
- Atsuki Shinbori
- Aya Nakayama
- B. H. Mauk
- Chae‐Woo Jun
- Chao Yue
- Charles W. Smith
- Christine Gabrielse
- Christos Katsavrias
- D. N. Baker
- E. J. Lund
- E. R. Sánchez
- F. Tsuchiya
- G. D. Reeves
- H. O. Funsten
- Harlan E. Spence
- I. J. Cohen
- I. Park
- I. Shinohara
- Ioannis A. Daglis
- J Bernard Blake
- J. L. Roeder
- J. M. Ruohoniemi
- Jacob Bortnik
- Justin H. Lee
- K. Hosokawa
- K. Seki
- Kazuo Shiokawa
- Kazushi Asamura
- L. M. Kistler
- L. R. Lyons
- M. Engel
- M. Kitahara
- M. Nosé
- Martin Connors
- Masaaki Teramoto
- Mizuki Fukizawa
- Naoki Terada
- Naoko Takahashi
- Naritoshi Kitamura
- P. R. Shreedevi
- Pablo Reyes
- Pekka T. Verronen
- Q. Ma
- R. H. Varney
- R. J. Strangeway
- Reiko Nomura
- Ryoya Sakata
- S. G. Claudepierre
- S. R. Kaeppler
- Sandeep Kumar
- Satoko Nakamura
- Satoshi Kasahara
- Satoshi Kurita
- Shiang‐Yu Wang
- Shin‐ichiro Oyama
- Shoji Motomizu
- Shotaro Sakai
- Shoya Matsuda
- Shun Imajo
- Sneha Yadav
- Sunny Wing-Yee Tam
- T. F. Chang
- T. Leonard
- Takanobu Amano
- Takeshi Imamura
- Taku Namekawa
- Tomoaki Hori
- Tomoki Kimura
- V. K. Jordanova
- W. Li
- Wei Xu
- Y. Nishimura
- Y. Ogawa
- Yasumasa Kasaba
- Yiqun Yu
- Yoshiya Kasahara
- Yoshizumi Miyoshi
- Yudai Inaba
- Yuichi Otsuka
- Yutai Katoh
Linked Collaborating Institutions
- Aerospace Corporation, California
- Athabasca University, Canada
- Beijing University of Aeronautics and Astronautics, China
- Boston University, Massachusetts
- Clemson University, South Carolina
- Dartmouth College, New Hampshire
- Finnish Meteorological Institute
- JAXA Japan Aerospace Exploration Agency
- JAXA, Institute of Space and Astronautical Science
- Johns Hopkins University, Applied Physics Laboratory
- Kanazawa University, Japan
- Kyoto University, Japan
- Kyushu University of Technology, Japan
- Kyushu University, Japan
- Los Alamos National Laboratory, New Mexico
- NASA Goddard Space Flight Center, Maryland
- Nagoya University, Japan
- Nagoya University, Solar Terrestrial Environment Laboratory
- National Cheng Kung University, Taiwan
- National Institute for Polar Research, Japan
- National Institute of Information and Communications Technology, Japan
- National and Kapodistrian University of Athens, Greece
- Osaka University, Japan
- Peking University, China
- RAS, Polar Geophysical Institute, Murmansk
- RAS, Russian Academy of Sciences, Far East Branch
- Rikkyo University, Japan
- Sodankyla Geophysical Observatory
- Stanford Research Institute, California
- Tohoku Institute of Technology, Japan
- Tohoku University, Japan
- University of Bradford, UK
- University of California, Los Angeles
- University of California, Los Angeles, Institute of Geophysics and Planetary Physics
- University of Colorado, Boulder
- University of Colorado, Boulder, Laboratory for Atmospheric and Space Physics
- University of Electro-Communications, Tokyo, Japan
- University of Iowa
- University of New Hampshire
- University of Oulu, Finland
- University of Tokyo, Japan
- Virginia Polytechnic Institute and State University
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