Kazumasa Ohno

National Astronomical Observatory of Japan — Japan

Physics and Astronomy · Physical Sciences

19h-index2.2kcitations101works8.12yr avg
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Research Topics

Stellar, planetary, and galactic studies(62), Astro and Planetary Science(60), Astronomy and Astrophysical Research(34), Astrophysics and Star Formation Studies(29), Atmospheric Ozone and Climate(21)

Publications101 total

Fractal Aggregate Aerosols in the Virga Cloud Code. I. Model Description and Application to a Benchmark Cloudy Exoplanet
The Astrophysical Journal·2025· 2 citedOpen Access
Revising the Giant Planet Mass–Metallicity Relation: Deciphering the Formation Sequence of Giant Planets
The Astrophysical Journal·2025· 6 citedOpen Access
Beyond monoculture: Polydisperse moment methods for sub-stellar atmosphere cloud microphysics
Astronomy and Astrophysics·2025Open Access
How clear are the skies of WASP-80b?: 3D Cloud feedback on the atmosphere and spectra of the warm Jupiter
arXiv (Cornell University)·2025Open Access
A precise metallicity and carbon-to-oxygen ratio for a warm giant exoplanet from its panchromatic JWST emission spectrum
Proceedings of the National Academy of Sciences·2025· 4 citedOpen Access
Fractal Aggregate Aerosols in the Virga Cloud Code I: Model Description and Application to a Benchmark Cloudy Exoplanet
arXiv (Cornell University)·2025Open Access
The HUSTLE Program: The UV to Near-IR Transmission Spectrum of the Hot Jupiter KELT-7b
The Astronomical Journal·2025Open Access
Reassessing Sub-Neptune Structure, Radii, and Thermal Evolution
The Astrophysical Journal·2025· 6 citedOpen Access
Monosilane Worlds: Sub-Neptunes with Atmospheres Shaped by Reduced Magma Oceans
2025Open Access
Aggregate Aerosols in the Virga Cloud Code: First Model Results
2025Open Access
Monosilane Worlds: Sub-Neptunes with Atmospheres Shaped by Reduced Magma Oceans
The Astrophysical Journal·2025· 7 citedOpen Access
A Panchromatic Characterization of the Evening and Morning Atmosphere of WASP-107 b: Composition and Cloud Variations, and Insight into the Effect of Stellar Contamination
The Astronomical Journal·2025· 4 citedOpen Access
A Precise Metallicity and Carbon-to-Oxygen Ratio for a Warm Giant Exoplanet from its Panchromatic JWST Emission Spectrum
arXiv (Cornell University)·2025Open Access
The James Webb Space Telescope NIRSpec-PRISM Transmission Spectrum of the Super-Puff, Kepler-51d
arXiv (Cornell University)·2025Open Access
Effects of Planetary Parameters on Disequilibrium Chemistry in Irradiated Planetary Atmospheres: From Gas Giants to Sub-Neptunes
The Astrophysical Journal·2025· 11 citedOpen Access
Monosilane Worlds: Sub-Neptunes with Atmospheres Shaped by Reduced Magma Oceans
arXiv (Cornell University)·2025Open Access
A JWST Panchromatic Thermal Emission Spectrum of the Warm Neptune Archetype GJ 436b
The Astrophysical Journal Letters·2025· 16 citedOpen Access
A JWST Panchromatic Thermal Emission Spectrum of the Warm Neptune Archetype GJ 436b
arXiv (Cornell University)·2025Open Access
Three-dimensional dynamical evolution of cloud particle microphysics in sub-stellar atmospheres
Astronomy and Astrophysics·2025· 6 citedOpen Access
A Possible Metal-dominated Atmosphere below the Thick Aerosols of GJ 1214 b Suggested by Its JWST Panchromatic Transmission Spectrum
The Astrophysical Journal Letters·2025· 20 citedOpen Access
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Frequent Co-authors

Jonathan J. Fortney(32), Vivien Parmentier(28), Luis Welbanks(27), Taylor J. Bell(25), Everett Schlawin(20), Sagnick Mukherjee(20), Munazza K. Alam(18), P. J. Wheatley(17), Hannah R. Wakeford(16), Laura Kreidberg(16), Thomas G. Beatty(16), David K. Sing(15), Mercedes López‐Morales(15), Sarah E. Moran(15), Kevin B. Stevenson(15), Zachory K. Berta-Thompson(15), Karan Molaverdikhani(15), Nicolas Crouzet(15), James Kirk(14), Aarynn L. Carter(14)