Kazuhiro Takefuji

Japan Aerospace Exploration Agency — Japan

Physics and Astronomy · Physical Sciences

13h-index437citations107works2.02yr avg
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Research Topics

Radio Astronomy Observations and Technology(35), Pulsars and Gravitational Waves Research(27), GNSS positioning and interference(21), Astrophysics and Cosmic Phenomena(20), Astronomical Observations and Instrumentation(19)

Publications105 total

Optical photon-counting observation of the Crab pulsar with the Kanata telescope using a prototype IMONY
Publications of the Astronomical Society of Japan·2025· 2 citedOpen Access
Imager of MPPC-based optical photon counter from Yamagata
2024· 2 cited
Detection of a bright burst from the repeating fast radio burst 20201124A at 2 GHz
Publications of the Astronomical Society of Japan·2023· 10 citedOpen Access
Low-frequency VLBI observation with Iitate and Zao observatory
2023Open Access
Development for Japan L-band VLBI Observation
2023Open Access
Recent updates of the Hitachi and Takahagi 32-m radio telescopes, Ibaraki Station
2023Open Access
Misasa 54m ground station for deep space missions and its usage for radio science
2023Open Access
Detection of a bright burst from the repeating FRB 20201124A at 2 GHz
arXiv (Cornell University)·2022Open Access
The Yamaguchi Interferometer
Publications of the Astronomical Society of Japan·2022· 3 cited
Coronal Density Measurements Using Giant Radio Pulses of the Crab Pulsar at the Cycle 24/25 Minimum
Solar Physics·2022Open Access
Multi-frequency radio observations of the radio-loud magnetar XTE J1810−197
Publications of the Astronomical Society of Japan·2021Open Access
Enhanced x-ray emission coinciding with giant radio pulses from the Crab Pulsar
Science·2021· 21 citedOpen Access
A broadband VLBI system using transportable stations for geodesy and metrology: an alternative approach to the VGOS concept
Journal of Geodesy·2021· 11 citedOpen Access
Precise Frequency Transfer with Broadband Transportable VLBI Stations
Proceedings of the ... annual Precise Time and Time Interval (PTTI) Systems and Applications Meeting/Proceedings of a meeting - Precise Time and Time Interval (PTTI) Systems and Applications Meeting·2021
A Broadband VLBI experiment with transportable station between Japan and Italy RF Direct sampling and a new observation scheme using closure delay relation
CINECA IRIS Institutional Research Information System (IRIS Istituto Nazionale di Ricerca Metrologica)·2020
Dataset for 'Intercontinental comparison of optical atomic clocks through very long baseline interferometry'
Zenodo (CERN European Organization for Nuclear Research)·2020Open Access
Dataset for 'Intercontinental comparison of optical atomic clocks through very long baseline interferometry'
CINECA IRIS Institutional Research Information System (IRIS Istituto Nazionale di Ricerca Metrologica)·2020Open Access
Intercontinental comparison of optical atomic clocks through very long baseline interferometry
Nature Physics·2020· 60 citedOpen Access
Recent outburst of Cygnus X-3 observed with the Nasu telescope array at 1.4 GHz
The astronomer's telegram·2020
Radio Sounding Measurements of the Solar Corona Using Giant Pulses of the Crab Pulsar in 2018
Solar Physics·2020· 4 cited
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Frequent Co-authors

Kotaro Niinuma(20), Mamoru Sekido(19), T. Daishido(18), K. Asuma(16), N. Matsumura(15), Tetsuro Kondo(14), M. Kuniyoshi(14), S. Kida(14), Hideki Ujihara(10), Ryuichi Ichikawa(10), Ryosuke Nakamura(9), Takaaki Tanaka(9), Akihiko Takeuchi(8), Shinichi Suzuki(8), T. Terasawa(8), Hiroshi Takeuchi(8), Yasuhiro Koyama(8), Yoshinori Yonekura(7), Eiji Kawai(6), Kunitaka Namba(5)