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Articles by Hajime Kawahara

Weighing Single-lined Spectroscopic Binaries Using Tidal Effects on Radial Velocities: The Case of V723 Monocerotis
29 October 2024 by Mio Tomoyoshi and others
Solar and Stellar Astrophysics, Earth and Planetary Astrophysics
Atmospheric retrieval of Subaru/IRD high-resolution spectrum of the archetype T-type brown dwarf Gl 229 B
15 October 2024 by Yui Kawashima and others
Earth and Planetary Astrophysics, Solar and Stellar Astrophysics
Differentiable Modeling of Planet and Substellar Atmosphere: High-Resolution Emission, Transmission, and Reflection Spectroscopy with ExoJAX2
9 October 2024 by Hajime Kawahara and others
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
JASMINE image simulator for high-precision astrometry and photometry
4 October 2024 by Takafumi Kamizuka and others
Instrumentation and Methods for Astrophysics
STRAIGHTMORPH: A Voice Morphing Tool for Research in Voice Communication Sciences
24 July 2024 by P. Belin and Hiroyuki Kawahara
Animal Behavior and Cognition
JASMINE: Near-Infrared Astrometry and Time Series Photometry Science
4 March 2024 by Daisuke Kawata and others
Instrumentation and Methods for Astrophysics, Earth and Planetary Astrophysics
A spectroscopic thermometer: individual vibrational band spectroscopy with the example of OH in the atmosphere of WASP-33b
18 May 2023 by Sam O. M. Wright and others
Earth and Planetary Astrophysics
Fast optical flares from M dwarfs detected by a one-second-cadence survey with Tomo-e Gozen
26 June 2022 by Masataka Aizawa and others
Solar and Stellar Astrophysics
Measurements of protons and charged pions emitted from ν_μ charged-current interactions on iron at a mean neutrino energy of 1.49\,GeV using a nuclear emulsion detector
31 May 2022 by Hirotomo Oshima and others at LogoToho University
High Energy Physics
A Super-Earth Orbiting Near the Inner Edge of the Habitable Zone around the M4.5-dwarf Ross 508
24 May 2022 by Hiroki Harakawa and others
Earth and Planetary Astrophysics
Wide angle acceptance and high-speed track recognition in nuclear emulsion
26 April 2022 by Yusei Suzuki and others
Instrumentation and Detectors, High Energy Physics
Global Mapping of Surface Composition on an Exo-Earth Using Sparse Modeling
5 April 2022 by Atsuki Kuwata and others
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
Images of Embedded Jovian Planet Formation At A Wide Separation Around AB Aurigae
1 April 2022 by Thayne Currie and others
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
Dippers from TESS Full-frame Images. II. Spectroscopic Characterization of Four Young Dippers
24 January 2022 by Yui Kasagi and others
Earth and Planetary Astrophysics, Solar and Stellar Astrophysics
Auto-Differentiable Spectrum Model for High-Dispersion Characterization of Exoplanets and Brown Dwarfs
17 November 2021 by Hajime Kawahara and others
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
SCExAO, a testbed for developing high-contrast imaging technologies for ELTs
29 September 2021 by Kyohoon Ahn and others
Instrumentation and Methods for Astrophysics
First Detection of Hydroxyl Radical Emission from an Exoplanet Atmosphere: High-dispersion Characterization of WASP-33b using Subaru/IRD
4 March 2021 by Stevanus Nugroho and others
Earth and Planetary Astrophysics
First measurement using a nuclear emulsion detector of the ν_μ charged-current cross section on iron around the 1\,GeV energy region
24 February 2021 by Hirotomo Oshima and others
High Energy Physics
Neutral metals in the atmosphere of HD149026b
30 January 2021 by Masato Ishizuka and others
Earth and Planetary Astrophysics
First measurement of \barν_μ and ν_μ charged-current inclusive interactions on water using a nuclear emulsion detector
16 October 2020 by Atsumu Hiramoto and others
High Energy Physics, Instrumentation and Detectors
Dippers from the TESS Full-Frame Images I: The Results of the first 1 year data and Discovery of A Runaway dipper
27 September 2020 by Tomoyuki Tajiri and others
Earth and Planetary Astrophysics, Astrophysics of Galaxies
Bayesian Dynamic Mapping of an Exo-Earth from Photometric Variability
26 July 2020 by Hajime Kawahara and Kento Masuda
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
Detection of Fe\,{\sc i} Emission in the Day-side Spectrum of WASP-33b
10 July 2020 by Stevanus Nugroho and others
Earth and Planetary Astrophysics
Obliquity of an Earth-like planet from frequency modulation of its direct imaged lightcurve: mock analysis from general circulation model simulation
19 June 2020 by Yuta Nakagawa and others
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
Searching for Thermal Inversion Agents in the Transmission Spectrum of MASCARA-2b/KELT-20b: Detection of Neutral Iron and Ionised Calcium H\&K Lines
27 May 2020 by Stevanus Nugroho and others
Earth and Planetary Astrophysics, Solar and Stellar Astrophysics
Global Mapping of an Exo-Earth using Sparse Modeling
26 April 2020 by Masataka Aizawa and others
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
Global Mapping of the Surface Composition on an Exo-Earth using Color Variability
17 April 2020 by Hajime Kawahara
Earth and Planetary Astrophysics, Instrumentation and Methods for Astrophysics
Four New Self-lensing Binaries from Kepler: Radial Velocity Characterization and Astrophysical Implications
13 January 2020 by Kento Masuda and others
Solar and Stellar Astrophysics, Earth and Planetary Astrophysics
Mutual Orbital Inclinations Between Cold Jupiters and Inner Super-Earths
7 January 2020 by Kento Masuda and others
Earth and Planetary Astrophysics
Self-lensing Discovery of a 0.2\,M_\odot White Dwarf in an Unusually Wide Orbit Around a Sun-like Star
11 August 2019 by Kento Masuda and others
Solar and Stellar Astrophysics
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