Kazumasa Ohno

2.3k total citations · 1 hit paper
29 papers, 412 citations indexed

About

Kazumasa Ohno is a scholar working on Astronomy and Astrophysics, Atmospheric Science and Instrumentation. According to data from OpenAlex, Kazumasa Ohno has authored 29 papers receiving a total of 412 indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Astronomy and Astrophysics, 7 papers in Atmospheric Science and 5 papers in Instrumentation. Recurrent topics in Kazumasa Ohno's work include Astro and Planetary Science (22 papers), Stellar, planetary, and galactic studies (17 papers) and Astrophysics and Star Formation Studies (13 papers). Kazumasa Ohno is often cited by papers focused on Astro and Planetary Science (22 papers), Stellar, planetary, and galactic studies (17 papers) and Astrophysics and Star Formation Studies (13 papers). Kazumasa Ohno collaborates with scholars based in Japan, United States and France. Kazumasa Ohno's co-authors include Jonathan J. Fortney, Takahiro Ueda, Vivien Parmentier, Everett Schlawin, Thomas G. Beatty, Taylor J. Bell, Thomas P. Greene, Luis Welbanks, Sagnick Mukherjee and Emily Rauscher and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and The Astrophysical Journal.

In The Last Decade

Kazumasa Ohno

27 papers receiving 283 citations

Hit Papers

1 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

A high internal heat flux and large core in a warm Neptune exoplanet

2024 53 citations Luis Welbanks, Taylor J. Bell et al. Nature profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Kazumasa Ohno Japan	12	347	101	51	35	23	29	412
Ian Wong United States	15	573 1.7×	87 0.9×	97 1.9×	27 0.8×	33 1.4×	36	613
Sagnick Mukherjee United States	12	369 1.1×	111 1.1×	96 1.9×	55 1.6×	9 0.4×	31	450
Savvas Constantinou United Kingdom	9	324 0.9×	82 0.8×	54 1.1×	45 1.3×	38 1.7×	14	376
Sebastian Zieba Germany	6	282 0.8×	64 0.6×	73 1.4×	34 1.0×	44 1.9×	11	324
Elsa Ducrot Belgium	10	383 1.1×	90 0.9×	97 1.9×	39 1.1×	30 1.3×	22	426
Michael Line United States	10	345 1.0×	108 1.1×	88 1.7×	63 1.8×	7 0.3×	20	409
Sarah E. Moran United States	13	380 1.1×	140 1.4×	100 2.0×	67 1.9×	17 0.7×	28	450
Florian Debras France	14	572 1.6×	103 1.0×	83 1.6×	42 1.2×	37 1.6×	24	655
Joost P. Wardenier United States	8	353 1.0×	114 1.1×	74 1.5×	70 2.0×	12 0.5×	12	422
Achrène Dyrek France	5	196 0.6×	52 0.5×	49 1.0×	24 0.7×	14 0.6×	8	218

Countries citing papers authored by Kazumasa Ohno

Since Specialization

Citations

This map shows the geographic impact of Kazumasa Ohno's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Kazumasa Ohno with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kazumasa Ohno more than expected).

Fields of papers citing papers by Kazumasa Ohno

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kazumasa Ohno. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Kazumasa Ohno. The network helps show where Kazumasa Ohno may publish in the future.

Co-authorship network of co-authors of Kazumasa Ohno

This figure shows the co-authorship network connecting the top 25 collaborators of Kazumasa Ohno. A scholar is included among the top collaborators of Kazumasa Ohno based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Kazumasa Ohno. Kazumasa Ohno is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Chachan, Yayaati, Jonathan J. Fortney, Kazumasa Ohno, Daniel Thorngren, & Ruth Murray‐Clay. (2025). Revising the Giant Planet Mass–Metallicity Relation: Deciphering the Formation Sequence of Giant Planets. The Astrophysical Journal. 994(1). 43–43. 3 indexed citations

Mukherjee, Sagnick, Everett Schlawin, Taylor J. Bell, et al.. (2025). A JWST Panchromatic Thermal Emission Spectrum of the Warm Neptune Archetype GJ 436b. The Astrophysical Journal Letters. 982(2). L39–L39. 9 indexed citations

Moran, Sarah E., Natasha E. Batalha, Kazumasa Ohno, et al.. (2025). Fractal Aggregate Aerosols in the Virga Cloud Code. I. Model Description and Application to a Benchmark Cloudy Exoplanet. The Astrophysical Journal. 994(1). 116–116. 1 indexed citations

Lee, Elspeth K. H. & Kazumasa Ohno. (2025). Three-dimensional dynamical evolution of cloud particle microphysics in sub-stellar atmospheres. Astronomy and Astrophysics. 695. A111–A111. 4 indexed citations

Beatty, Thomas G., Everett Schlawin, Taylor J. Bell, et al.. (2025). 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. 170(1). 61–61. 1 indexed citations

Mukherjee, Sagnick, Jonathan J. Fortney, Nicholas F. Wogan, David K. Sing, & Kazumasa Ohno. (2025). Effects of Planetary Parameters on Disequilibrium Chemistry in Irradiated Planetary Atmospheres: From Gas Giants to Sub-Neptunes. The Astrophysical Journal. 985(2). 209–209. 6 indexed citations

Yu, Xinting, Shang‐Min Tsai, Julianne I. Moses, et al.. (2024). Probing Cold-to-temperate Exoplanetary Atmospheres: The Role of Water Condensation on Surface Identification with JWST. The Astrophysical Journal. 975(1). 146–146. 10 indexed citations

Beatty, Thomas G., Luis Welbanks, Everett Schlawin, et al.. (2024). Sulfur Dioxide and Other Molecular Species in the Atmosphere of the Sub-Neptune GJ 3470 b. The Astrophysical Journal Letters. 970(1). L10–L10. 33 indexed citations

Hammond, Mark, Anjali A. A. Piette, Jasmina Blecic, et al.. (2024). Simultaneous retrieval of orbital phase resolved JWST/MIRI emission spectra of the hot Jupiter WASP-43b: evidence of water, ammonia, and carbon monoxide. Monthly Notices of the Royal Astronomical Society. 532(1). 460–475. 7 indexed citations

10.

Lewis, Nikole K., Sarah E. Moran, Hannah R. Wakeford, et al.. (2024). The HUSTLE Program: The UV to Near-infrared HST WFC3/UVIS G280 Transmission Spectrum of WASP-127b. The Astronomical Journal. 169(1). 23–23. 6 indexed citations

11.

Schlawin, Everett, Kazumasa Ohno, Taylor J. Bell, et al.. (2024). Possible Carbon Dioxide above the Thick Aerosols of GJ 1214 b. The Astrophysical Journal Letters. 974(2). L33–L33. 22 indexed citations

12.

Ohno, Kazumasa & Jonathan J. Fortney. (2023). Nitrogen as a Tracer of Giant Planet Formation. I. A Universal Deep Adiabatic Profile and Semianalytical Predictions of Disequilibrium Ammonia Abundances in Warm Exoplanetary Atmospheres. The Astrophysical Journal. 946(1). 18–18. 19 indexed citations

13.

Bell, Taylor J., Luis Welbanks, Everett Schlawin, et al.. (2023). Methane throughout the atmosphere of the warm exoplanet WASP-80b. Nature. 623(7988). 709–712. 55 indexed citations

14.

Ohno, Kazumasa & Jonathan J. Fortney. (2023). Nitrogen as a Tracer of Giant Planet Formation. II. Comprehensive Study of Nitrogen Photochemistry and Implications for Observing NH₃ and HCN in Transmission and Emission Spectra. The Astrophysical Journal. 956(2). 125–125. 11 indexed citations

15.

Notsu, Shota, Kazumasa Ohno, Takahiro Ueda, et al.. (2022). The Molecular Composition of Shadowed Proto-solar Disk Midplanes Beyond the Water Snowline. The Astrophysical Journal. 936(2). 188–188. 10 indexed citations

16.

Yu, Xinting, et al.. (2022). Cleaning Our Hazy Lens: Exploring Trends in Transmission Spectra of Warm Exoplanets. The Astrophysical Journal. 937(2). 90–90. 16 indexed citations

17.

Ohno, Kazumasa & Takahiro Ueda. (2021). Jupiter’s “cold” formation in the protosolar disk shadow. Astronomy and Astrophysics. 651. L2–L2. 28 indexed citations

18.

Ohno, Kazumasa, et al.. (2020). Thermal inertias of pebble-pile comet 67P/Churyumov–Gerasimenko. Monthly Notices of the Royal Astronomical Society. 497(1). 1166–1180. 9 indexed citations

19.

Helling, Ch., Nicolas Iro, Lía Corrales, et al.. (2019). Understanding the atmospheric properties and chemical composition of the ultra-hot Jupiter HAT-P-7b. Astronomy and Astrophysics. 631. A79–A79. 42 indexed citations

20.

Hattori, Komei, et al.. (1994). Determination of body volume in normal adults and in patients with cerebral palsy by the sulfur hexafluoride (SF₆) dilution technique. American Journal of Human Biology. 6(5). 651–657. 5 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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