Publications (出版物)
(ADS library is available here)

Submitted papers

[*] Everett, Schlawin, Sagnick Mukherjee, Kazumasa Ohno, Taylor Bell, Thomas G. Beatty et al.
"Multiple Clues for Dayside Aerosols and Temperature Gradients in WASP-69b from a Pacnchromatic JWST Emission Spectra", submitted

[*] Jingxuan Yang, Mark Hammond, Anjali  A. A. Piette, et al.  (incl. Kazumasa Ohno)
"Simultaneous retrieval of orbital phase resolved JWST/MIRI emission spectra of the hot Jupiter WASP-43b: evidence of water, ammonia and carbon monoxide", submitted 

[*] Luis Welbanks, Taylor J. Bell, Thomas G. Beatty, Michael R. Line,  Kazumasa Ohno, et al.
"Carbon, Oxygen, Sulfur, and Nitrogen, Strong Mixing and a High Internal Heat Flux in the Warm Exoplanet WASP-107b", submitted 

[*] Peter Gao and Kazumasa Ohno
"Clouds and Hazes in Pluto and Triton", submitted as a book chapter of "Triton and Pluto: the Long-Lost Twins of Active Worlds"

Refereed Journals: Lead-author papers

[15] Kazumasa Ohno and 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", ApJ, 956, 125
[ADS]

[14] Kazumasa Ohno and Jonathan J. Fortney, 2023
"Nitrogen as a Tracer of Giant Planet Formation. I.: A Universal Deep Adiabatic Profile and Semi-analytical Predictions of Disequilibrium Ammonia Abundances in Warm Exoplanetary Atmospheres", ApJ, 946, 18
[ADS]

[13] Kazumasa Ohno, Pa Chia Thao, Andrew W. Mann, and Jonathan J. Fortney, 2022
"A Circumplanetary Dust Ring May Explain the Extreme Spectral Slope of the 10 Myr Young Exoplanet K2-33b", ApJL, 940, L30
[ADS] [AAS Nova Research Highlight]

[12] 大野 和正 (Kazumasa Ohno),  2022
"大気から探る惑星形成:原始太陽系円盤の影による木星大気組成の説明", 遊星人, 31, 2
[Link]

[11] Kazumasa Ohno and Jonathan J. Fortney, 2022
"A Framework for Characterizing Transmission Spectra of Exoplanets with Circumplanetary Rings", ApJ, 930, 50
[ADS]

[10] Kazumasa Ohno and Yuki Tanaka, 2021
"Grain Growth in Escaping Atmospheres: Implications for the Radius Inflation of Super-Puffs", ApJ, 920, 124
[ADS]

[9] Kazumasa Ohno and Takahiro Ueda, 2021
"Jupiter's "cold" formation in the protosolar disk shadow: An explanation for the planet's uniformly enriched atmosphere", A&A, 651, L2
[ADS] [A&A 2021 Highlighted paper] [ScienceNews]

[8] Kazumasa Ohno, Xi Zhang, Ryo Tazaki, and Satoshi Okuzumi, 2021
"Haze Formation on Triton", ApJ, 912, 37
[ADS]

[7] 大野 和正 (Kazumasa Ohno),  2020
"系外惑星「遠い世界の物語」その13 系外惑星大気中の鉱物雲 (Tales of distant exoplanet worlds (13)-Mineral clouds in exoplanetary atmospheres-)", 遊星人, 29, 3
[Link]

[6] Kazumasa Ohno and Yui Kawashima, 2020
"Super-Rayleigh Slopes in Transmission Spectra of Exoplanets Generated by Photochemical Haze", ApJL, 895, 47
[ADS]

[5] Kazumasa Ohno, Satoshi Okuzumi, and Ryo Tazaki, 2020
"Clouds of Fluffy Aggregates: How They Form in Exoplanetary Atmospheres and Influence Transmission Spectra", ApJ, 891, 131
[ADS]

[4] Kazumasa Ohno and Xi Zhang, 2019
"Atmospheres on Nonsynchronized Eccentric-tilted Exoplanets II: Thermal Light Curves", ApJ, 874, 2
[ADS]

[3] Kazumasa Ohno and Xi Zhang, 2019
"Atmospheres on Nonsynchronized Eccentric-tilted Exoplanets I: Dynamical Regimes", ApJ, 874, 1
[ADS]

[2] Kazumasa Ohno and Satoshi Okuzumi, 2018
"Microphysical Modeling of Mineral Clouds in GJ1214 b and GJ436 b: Predicting Upper Limits on the Cloud-Top Height", ApJ, 859, 34
[ADS]

[1] Kazumasa Ohno and Satoshi Okuzumi, 2017
"A Condensation-Coalescence Cloud Model for Exoplanetary Atmosheres: Formulation and Test Applications to Terrestrial and Jovian Clouds", ApJ, 835, 261
[ADS]

Refereed Journals: Co-author papers

[15] Bell, J. T., Wellbanks, L., Schlawin, E., Line, R. M., Fortney, J. J., et al. (incl. Ohno, K.) (2023)
“Methane Throughout the Atmosphere of the Warm Exoplanet WASP-80b”, Nature, 623, 709
[ADS] [Press Release]

[14] Harada, K. C.,  Dressing, D. C., Alam, K. M., Kirk, J., Lopez-Morales, M., et al. (incl. Ohno, K.) (2023)
Stability and Detectability of Exomoons Orbiting HIP41378 f, a Temperate Jovian Planet with an Anomalously Low Apparent Density”, AJ, 166, 208
[ADS]

[13] Coulombe, L., Benneke, B., Challener, R., Piette, A. A., Wiser, S. L., et al. (incl. Ohno, K.) (2023)
“A broadband thermal emission spectrum of the ultra-hot Jupiter WASP-18b”, Nature, 620, 7973
[ADS]

[12] Tsai, S., Lee, K. H., Powell, D., Gao, P., Zhang, X., et al. (incl. Ohno, K.) (2023)
“Photochemically-produced SO2 in the atmosphere of WASP-39b”, Nature, 617, 483
[ADS] [Press Release from UCSC]

[11] Feinstein, A., Radica, M., Welbanks, L., Murray, C., Ohno, K., et al. (2023)
“JWST Early Release Science: Exoplanet transit spectroscopy with NIRISS-SOSS”, Nature, 614, 670
[ADS] [Press Release from UCSC]

[10] Alderson, L., Wakeford, R. H., Alam, K. M., Batalha, E. N., Lothringer, D. J., et al. (incl. Ohno, K.) (2023)
“JWST Early Release Science: WASP-39b transit spectroscopy with NIRSpec G395H”, Nature, 614, 664
[ADS] [Press Release from UCSC]

[9] Rustamkulov, Z., Sing, K. D., Mukherjee, S., May, M. E., Kirk, J., et al. (incl. Ohno, K.) (2023)
“The Broadband Transmission Spectrum of WASP-39b from JWST NIRSpec PRISM Observations”, Nature, 614, 659
[ADS] [Press Release from UCSC]

[8] Ahrer, E., Stevenson, B. K., Mansfield, M., Moran, E. S., Brande, J., et al. (incl. Ohno, K.) (2023)
“JWST Early Release Science: Exoplanet transit spectroscopy with NIRCam”, Nature, 614, 653
[ADS] [Press Release from UCSC]

[7] The JWST Transiting Exoplanet Community Early Release Science Team, et al. (incl. Ohno, K.) (2023)
“Identification of carbon dioxide in an exoplanet atmosphere”, Nature, 614, 649
[ADS] [Press Release from UCSC]

[6] Notsu, S., Ohno, K., Ueda, T., Walsh, C., Eistrup, C. & Nomura, H. (2022)
“The Molecular Composition of Shadowed Protosolar Disk Midplanes beyond the Water Snowline”, ApJ, 936, 188
[ADS]

[5] Dymont, A (co-advisor)., Yu, X., Ohno, K., Zhang, X., Fortney J. J., Thorngren, D., & Dickinson, C. (2022)
“Cleaning our Hazy Lens: Statistical Trends in Transmission Spectra of Warm Exoplanets”, ApJ, 937, 2
[ADS]

[4] Alam K. M., Kirk J., Dressing D. C., Lopez-Morales, M., Ohno, K., et al. (2022)
"The First Near-Infrared Transmission Spectrum of HIP 41378 f, a Low-Mass Temperate Jovian World in a Multi-Planet System", ApJL, 927, 5
[ADS] [AAS Nova Research Highlights]

[3] Okuya, A., Okuzumi, S, Ohno, K., & Hirano, T. (2020)
“Constraining the Bulk Composition of Disintegrating Exoplanets Using Combined Transmission Spectra from JWST and SPICA”, ApJ 901, 171
[ADS] [Press Release from Tokyo Tech]

[2] Sota Arakawa & Kazumasa Ohno (2020)
“Thermal inertias of pebble-pile comet 67P/Churyumov-Gerasimenko”, MNRAS 497, 1166
[ADS]

[1] Ch. Helling, N. Iro, L. Corrales, D. Samra, K. Ohno, et al. (2019)
“Understanding the atmospheric properties and chemical composition of the ultra-hot Jupiter HAT-P-7b I. Cloud and chemistry mapping”, A&A, 631, 79
[ADS]

Observational Proposals

[2] Hashimoto, J., Ohno, K.(Co-I), Nugroho, S., Ishikawa, H., Konishi, M., & Hosokawa, K.
Calibration of Chemical Characterization in Planet Atmosphere with self-luminous T/Y Dwarf Binaries”,
Subaru Telescope Semester S23B, S23B0106N (1.5 nights) 

[1] Wakeford, H., Alderson, L., Batalha, N., Grant, D., Lewis, N., Lopez-Morales, M., MacDonald, R., Marley, M., Moran S. E., Ohno, K. (Co-I)
Hubble Ultraviolet-optical Survey of Transiting Legacy Exoplanets treasury (HUSTLE) program”,
HST Cycle 30, GO-17183 (122 orbits)