Bun’ei Sato

Tokyo Institute of Technology — Japan

Physics and Astronomy · Physical Sciences

47h-index10.1kcitations212works2.32yr avg
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Research Topics

Stellar, planetary, and galactic studies(176), Astronomy and Astrophysical Research(101), Astrophysics and Star Formation Studies(98), Astro and Planetary Science(95), Astronomical Observations and Instrumentation(23)

Publications212 total

Two unseen massive white dwarf candidates in close binaries
Publications of the Astronomical Society of Japan·2025Open Access
Doppler imaging combined with high-cadence photometry. I. Revisiting the surface of a pre-main-sequence flare star
arXiv (Cornell University)·2025Open Access
Direct Imaging Explorations for Companions from the Subaru/IRD Strategic Program II; Discovery of a Brown-dwarf Companion around a Nearby Mid-M-dwarf LSPM J1446+4633
The Astronomical Journal·2025Open Access
Direct Imaging Explorations for Companions from the Subaru/IRD Strategic Program II; Discovery of a Brown-dwarf Companion around a Nearby mid-M~dwarf LSPM~J1446+4633
arXiv (Cornell University)·2025Open Access
The CARMENES search for exoplanets around M dwarfs
Astronomy and Astrophysics·2025· 1 citedOpen Access
The CARMENES search for exoplanets around M dwarfs. Revisiting the GJ 317, GJ 463, and GJ 3512 systems and two newly discovered planets orbiting GJ 9773 and GJ 508.2
ArXiv.org·2025Open Access
High-time-cadence Spectroscopy and Photometry of Stellar Flares on M-dwarf YZ Canis Minoris with Seimei Telescope and TESS. II. Statistical Properties of Blue/Red Asymmetries in the H<i>α</i> Line
The Astrophysical Journal·2025· 3 citedOpen Access
High-Time-Cadence Spectroscopy and Photometry of Stellar Flares on M-dwarf YZ Canis Minoris with Seimei Telescope and TESS. II. Statistical Properties of Blue/Red Asymmetries in the H$α$ Line
arXiv (Cornell University)·2025Open Access
High-time-cadence Spectroscopy and Photometry of Stellar Flares on M dwarf YZ Canis Minoris with the Seimei Telescope and TESS. I. Discovery of Rapid and Short-duration Prominence Eruptions
The Astrophysical Journal·2025· 6 citedOpen Access
High-Time-Cadence Spectroscopy and Photometry of Stellar Flares on M-dwarf YZ Canis Minoris with Seimei Telescope and TESS. I. Discovery of Rapid and Short-Duration Prominence Eruptions
arXiv (Cornell University)·2024Open Access
Performance test for HIDES-F wavelength calibration using a laser frequency comb
2024
Assessing Earth’s atmospheric impact on near-infrared radial velocity measurements with IRD/Subaru
2024
Six-year progress of the InfraRed Doppler (IRD) instrument for the Subaru Telescope
2024
GAOES-RV: a high-dispersion echelle spectrograph for radial velocimetry with the 3.8 m Seimei Telescope
2024
Gliese 12 b: A Temperate Earth-sized Planet at 12 pc Ideal for Atmospheric Transmission Spectroscopy
The Astrophysical Journal Letters·2024· 20 citedOpen Access
Two Long-period Giant Planets around Two Giant Stars: HD 112570 and HD 154391
The Astronomical Journal·2024· 6 citedOpen Access
Three-dimensional atmospheric dynamics of Jupiter from ground-based Doppler imaging spectroscopy in the visible
arXiv (Cornell University)·2023Open Access
Magnetic activity variability of nearby bright Sun-like stars by 4 yr intensive Hα line monitoring
Publications of the Astronomical Society of Japan·2023· 1 cited
Two long-period giant planets around two giant stars: HD 112570 and HD 154391
arXiv (Cornell University)·2023Open Access
Magnetic activity variability of nearby bright Sun-like stars by 4-year intensive H$α$ line monitoring
arXiv (Cornell University)·2023Open Access
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Frequent Co-authors

Eiji Kambe(25), Hideyuki Izumiura(22), Hiroyasu Ando(17), Yoichi Takeda(17), Norio Narita(15), Wako Aoki(13), M. Yoshida(13), Shigeru Ida(12), Joshua N. Winn(10), G. Á. Bakos(10), Seiji Masuda(10), Masashi Omiya(10), Lars A. Buchhave(9), Teruyuki Hirano(9), David W. Latham(8), John Asher Johnson(8), Guillermo Torres(8), Eiichiro Kokubo(8), R. Paul Butler(7), J. Christensen‐Dalsgaard(7)