Koichiro Sugiyama

National Astronomical Research Institute of Thailand — Thailand

Physics and Astronomy · Physical Sciences

18h-index1.0kcitations155works2.82yr avg
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Research Topics

Astrophysics and Star Formation Studies(66), Stellar, planetary, and galactic studies(39), Astrophysics and Cosmic Phenomena(37), Astro and Planetary Science(31), Molecular Spectroscopy and Structure(29)

Publications155 total

Detection of OH Maser Emission in the 71 yr Periodic Comet 12P/Pons-Brooks Using the 40 m Thai National Radio Telescope
The Planetary Science Journal·2025Open Access
Detection of OH maser emission in the 71-year periodic comet 12P/Pons-Brooks using the 40-m Thai National Radio Telescope (TNRT)
arXiv (Cornell University)·2025Open Access
3D Maser polarization simulation for J=1-0 SiO masers in the circumstellar envelope of an AGB star
arXiv (Cornell University)·2025Open Access
Rotation Velocity of the Milky Way Galaxy Based on VLBI Astrometry
Journal of Physics Conference Series·2025· 1 citedOpen Access
Spiral arm, rotating structure, and outflow cavity in massive star-forming region G23.43−0.18
Monthly Notices of the Royal Astronomical Society·2024· 3 citedOpen Access
JCMT 850 μm Continuum Observations of Density Structures in the G35 Molecular Complex
The Astrophysical Journal·2024· 5 citedOpen Access
JCMT 850 $\micron$ continuum observations of density structures in the G35 molecular complex
arXiv (Cornell University)·2024Open Access
Wave-driven cloud formation on Venus
2024Open Access
Thai National Radio Astronomy Observatory Project and a future South-East Asian VLBI Network
Journal of Physics Conference Series·2024Open Access
Large-scale Effect of an Accretion Burst in the High-Mass Young Stellar Object G358.93-0.03-MM1
The Astronomical Journal·2024· 3 citedOpen Access
Flexibility and Productivity in IoT Programming: A Case Study with Mruby
Communications in computer and information science·2024· 19 cited
Limits of water maser kinematics: insights from the high-mass protostar AFGL 5142-MM1
Monthly Notices of the Royal Astronomical Society·2023Open Access
The Limits of Water Maser Kinematics: Insights from High-Mass Protostar AFGL 5142-MM1
arXiv (Cornell University)·2023Open Access
Precessing jet nozzle connecting to a spinning black hole in M87
Nature·2023· 95 citedOpen Access
Spectral analysis of a parsec-scale jet in M 87: Observational constraint on the magnetic field strengths in the jet
Astronomy and Astrophysics·2023· 20 citedOpen Access
Precessing jet nozzle connecting to a spinning black hole in M87
Research Square (Research Square)·2023· 1 citedOpen Access
Spectral analysis of a parsec-scale jet in M87: Observational constraint on the magnetic field strengths in the jet
arXiv (Cornell University)·2023Open Access
A Keplerian disk with a four-arm spiral birthing an episodically accreting high-mass protostar
Nature Astronomy·2023· 29 citedOpen Access
Proper Motions of Water Masers in W49 N Measured by KaVA
The Astrophysical Journal·2023· 2 citedOpen Access
Multi-epoch obsevations of 6.7 GHz methanol maser with periodic flux variability G32.045+0.059 with the East-Asia VLBI Network
2023Open Access
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Frequent Co-authors

Tomoya Hirota(24), Yoshinori Yonekura(23), Mareki Honma(18), Kee‐Tae Kim(17), Kenta Fujisawa(16), Kazuhito Motogi(15), Kotaro Niinuma(13), Hideyuki Kobayashi(12), Ross A. Burns(12), Gordon MacLeod(12), James O. Chibueze(12), Satoko Sawada‐Satoh(11), C. L. Brogan(11), T. R. Hunter(11), Noriyuki Kawaguchi(9), А. М. Соболев(9), B. Stecklum(9), B. Hutawarakorn Kramer(8), Xi Chen(8), Akihiro Doi(8)