JF
Jonathan Fortney
astro-ph.EPastro-ph.SRastro-ph.IMastro-phastro-ph.GAPlanetscond-mat.mtrl-sciExobiologyExtraterrestrial EnvironmentJupiter
On Valency
published · living versionsW_a593xxue·v1 · currentpublished
Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems
with Jason F. Rowe, Stephen T. Bryson, Geoffrey W. Marcy, Jack J. Lissauer +23
1 version
W_9evfarev·v1published
W_e54amdmj·v1published
W_u2zgq48s·v1published
W_kb3x8n5g·v1published
W_4eur8qdv·v1published
W_m3rczqmx·v1published
W_zwvk3hrr·v1published
W_vqrjtf89·v1published
Preprints & journals
430 papers in the corpus · 2001–2026Investigating potential causes for high inferred intrinsic temperatures of warm transiting Neptune and Sub-Neptune planets2609.32044v1 · Saugata Barat, Jean-Michel D'esert, Allona Vazan et al.2026 · 0 citationsarXiv
Water Cloud and Chemical Modulations in the Coldest Brown Dwarf2609.20664v1 · Brittany E. Miles, James Mang, Caroline V. Morley et al.2026 · 0 citationsarXiv
Inhomogeneous Cloud Coverage and Altitude-Dependent Heat Transport on the Hot-Jupiter NGTS-10 Ab from its Optical-to-Infrared Phase Curve2609.16115v1 · Louis-Philippe Coulombe, Vivien Parmentier, Kevin B. Stevenson et al.2026 · 0 citationsarXiv
Quantitative Links between Formation and Atmospheric Composition for Giant Planets2608.23682v2 · Yayaati Chachan, Ruth Murray-Clay, Jonathan J. Fortney2026 · 0 citationsarXiv
A Sulfur-Rich Atmosphere for the Young Jupiter Analog AF Lep b Reveals Significant Solid Accretion2608.10068v1 · Jerry W. Xuan, William O. Balmer, Yayaati Chachan et al.2026 · 0 citationsarXiv
The Sonora Substellar Atmosphere Models. VII. Flame Skimmer: Cloud-free Atmospheric and Evolutionary Models for the Coldest Substellar Objects2608.06454v1 · James Mang, Yayaati Chachan, Caroline V. Morley et al.2026 · 1 citationarXiv
The JWST Early Release Science Program for Direct Observations of Exoplanetary Systems VIII: patchy forsterite and enstatite clouds in the atmosphere of VHS 1256 b, retrieval lessons learned and outlook to the future2608.06583v1 · Niall Whiteford, Jacqueline K. Faherty, Ben Burningham et al.2026 · 0 citationsarXiv
Chemical Abundances of the Bioessential Elements C, O and S, and the Refractory Elements Fe and Ni, in Solar-type Exoplanet-hosting Stars from HARPS North and South2606.30722v1 · E. Costa-Almeida, L. Ghezzi, K. Cunha et al.2026 · 0 citationsarXiv
A Spitzer Space Telescope Exploration Science Program to Search for Y Dwarf Variability2606.26411v1 · Michael C. Cushing, Jesica L. Trucks, Kevin K. Hardegree-Ullman et al.2026 · 0 citationsarXiv
C, N, O, S, and photochemistry in a temperate giant planet orbiting a late M dwarf2606.23774v3 · Michael Zhang, Qiao Xue, Jeehyun Yang et al.2026 · 1 citationarXiv
Photochemical Production of CS2 in Temperate-to-Warm Gas Giant Exoplanet Atmospheres2606.23820v2 · Jeehyun Yang, Vighnesh Nagpal, Michael Zhang et al.2026 · 0 citationsarXiv
Hydrogen and Helium Dissolution, Outgassing, and Loss in Evolving Sub-Neptune Magma Oceans: Examining Demographic Features and Radius Evolution2606.14646v2 · Yao Tang, Jonathan J. Fortney, Laura K. Schaefer et al.2026 · 0 citationsarXiv
Horizontal transport as a source of disequilibrium chemistry on the nightside of a hot exoplanet2605.04936v1 · Vivien Parmentier, Kevin B. Stevenson, Luis Welbanks et al.2026 · 3 citationsNat Astron (2026)
The tale of the 3 planets: 3D cloud feedback enhances the spectral diversity of warm Jupiters2604.26911v1 · Nishil Mehta, Vivien Parmentier, Xianyu Tan et al.2026 · 0 citationsarXiv
The Identification of CS2 and Evidence for Carbon-Sulfur Chemical Coupling in a Warm Giant Exoplanet Atmosphere2604.13168v3 · Anastasia Triantafillides, Thomas G. Beatty, Matthew C. Nixon et al.2026 · 1 citationarXiv
PICASO 4.0: Clouds and Photochemistry in Climate Models of Brown Dwarfs and Exoplanets2602.22468v2 · James Mang, Natasha E. Batalha, Caroline V. Morley et al.2026 · 11 citationsarXiv
JWST spectral retrieval of cold directly imaged planet WD0806 b and the first measurement of altitude-dependent K in exoplanet atmospheres2602.08200v1 · Ben W.P. Lew, Thomas Roellig, Natasha E. Batalha et al.2026 · 0 citationsarXiv
Uniform Forward-Modeling Analysis of Ultracool Dwarfs. IV. Benchmarking the Sonora Diamondback and Saumon & Marley (2008) Atmospheric Models Across Late-M, L, and T types with Low-Resolution 0.8-2.5 m Spectroscopy2601.18866v1 · Emily Mader, Zhoujian Zhang, Jonathan J. Fortney et al.2026 · 0 citationsarXiv
The Impact of Irradiation on the Radius and Thermal Evolution of Transiting Brown Dwarfs2512.08249v1 · Sagnick Mukherjee, Jonathan J. Fortney, Theron W. Carmichael et al.2025 · 7 citationsarXiv
The SPHINX M dwarf Spectral Grid. II. New Model Atmospheres and Spectra to Derive Fundamental Properties of mid-to-late type M-dwarfs2512.02269v2 · Aishwarya R. Iyer, Michael R. Line, Philip S. Muirhead et al.2025 · 0 citationsarXiv
The Sonora Substellar Atmosphere Models VI. Red Diamondback: Extending Diamondback with SPHINX for Brown Dwarf Early Evolution2510.08694v1 · C. Evan Davis, Jonathan J. Fortney, Aishwarya Iyer et al.2025 · 7 citationsarXiv
Understanding the Origins of Super-Puff Planets: A New Mass-Loss Regime Coupled to Planetary Evolution2510.02201v2 · Yao Tang, Jonathan J. Fortney, Ruth Murray-Clay et al.2025 · 6 citationsarXiv
Multi-modal atmospheric characterization of Pictoris b: Adding high-resolution continuum spectra from GRAVITY2509.25338v2 · M. Ravet, M. Bonnefoy, G. Chauvin et al.2025 · 12 citationsA&A 704, A325 (2025)
Cloudy solutions for the clear skies of WASP-80b: 3D cloud feedback on the atmosphere and spectra of a warm Jupiter2509.23406v3 · Nishil Mehta, Vivien Parmentier, Xianyu Tan et al.2025 · 2 citationsA&A 707, A394 (2026)
Revising the Giant Planet Mass-Metallicity Relation: Deciphering the Formation Sequence of Giant Planets2509.20428v2 · Yayaati Chachan, Jonathan J. Fortney, Kazumasa Ohno et al.2025 · 24 citationsApJ, 994, 43 (2025)
A precise metallicity and carbon-to-oxygen ratio for a warm giant exoplanet from its panchromatic JWST emission spectrum.40982673 · Wiser, Lindsey S, Bell, Taylor J, Line, Michael R et al.2025 · 11 citationsProceedings of the National Academy of Sciences of the United States of America. 2025;122(39):e2416193122
A carbon-rich atmosphere on a windy pulsar planet2509.04558v2 · Michael Zhang, Maya Beleznay, Timothy D. Brandt et al.2025 · 5 citationsarXiv
Condensation Clouds in Substellar Atmospheres with Virga2508.15102v1 · Natasha E. Batalha, Caoimhe M. Rooney, Channon Visscher et al.2025 · 13 citationsarXiv
The Roasting Marshmallows Program with IGRINS on Gemini South III: Seeing deeper into the metal depleted atmosphere of a gas-giant on the cusp of the hot to ultra-hot Jupiter transition2507.07204v1 · Vatsal Panwar, Matteo Brogi, Krishna Kanumalla et al.2025 · 1 citationarXiv
A metal-poor atmosphere with a hot interior for a young sub-Neptune progenitor: JWST/NIRSpec transmission spectrum of V1298 Tau b2507.08837v3 · Saugata Barat, Jean-Michel D'esert, Sagnick Mukherjee et al.2025 · 24 citationsarXiv
Detecting Land with Reflected Light Spectroscopy to Rule Out Waterworld O Biosignature False Positives2506.21790v3 · Anna Grace Ulses, Joshua Krissansen-Totton, Tyler D. Robinson et al.2025 · 5 citationsarXiv
A Panchromatic Characterization of the Evening and Morning Atmosphere of WASP-107 b: Composition and Cloud Variations, and Insight into the Effect of Stellar Contamination2505.13602v1 · Matthew M. Murphy, Thomas G. Beatty, Everett Schlawin et al.2025 · 13 citationsAJ 170 61 (2025)
The Sonora Substellar Atmosphere Models. V: A Correction to the Disequilibrium Abundance of CO for Sonora Elf Owl2505.03994v2 · Nicholas F. Wogan, James Mang, Natasha E. Batalha et al.2025 · 20 citationsarXiv
Escaping Helium and a Highly Muted Spectrum Suggest a Metal-Enriched Atmosphere on Sub-Neptune GJ3090b from JWST Transit Spectroscopy2504.20428v1 · Eva-Maria Ahrer, Michael Radica, Caroline Piaulet-Ghorayeb et al.2025 · 40 citationsarXiv
Jupiter's Interior with an Inverted Helium Gradient2504.00228v1 · Nadine Nettelmann, Jonathan J. Fortney2025 · 5 citationsarXiv
A 1.48-2.48 m R=28000 spectroscopic atlas of the L7.5 and T0.5 components of the nearest pair of brown dwarfs: Luhman 16AB2503.19322v2 · Hiroyuki Tako Ishikawa, Stanimir Metchev, Megan E. Tannock et al.2025 · 2 citationsMon.Not.R.Astron.Soc. 539 (2025) 1088-1166
ELemental abundances of Planets and brown dwarfs Imaged around Stars (ELPIS): II. The Jupiter-like Inhomogeneous Atmosphere of the First Directly Imaged Planetary-Mass Companion 2MASS 1207 b2502.18559v2 · Zhoujian Zhang, Paul Molliere, Jonathan J. Fortney et al.2025 · 19 citationsarXiv
A JWST Panchromatic Thermal Emission Spectrum of the Warm Neptune Archetype GJ 436b2502.17418v1 · Sagnick Mukherjee, Everett Schlawin, Taylor J. Bell et al.2025 · 27 citationsarXiv
Evolution of steam worlds: energetic aspects2412.17945v2 · Artyom Aguichine, Natalie Batalha, Jonathan J. Fortney et al.2024 · 16 citationsarXiv
Protosolar D-to-H abundance and one part-per-billion PH in the coldest brown dwarf2411.14541v2 · Melanie J. Rowland, Caroline V. Morley, Brittany E. Miles et al.2024 · 25 citationsarXiv
Reassessing Sub-Neptune Structure, Radii, and Thermal Evolution2410.21584v2 · Yao Tang, Jonathan J. Fortney, Francis Nimmo et al.2024 · 16 citationsarXiv
The Roasting Marshmallows Program with IGRINS on Gemini South II -- WASP-121 b has super-stellar C/O and refractory-to-volatile ratios2410.19017v1 · Peter C. B. Smith, Jorge A. Sanchez, Michael R. Line et al.2024 · 32 citationsarXiv
Effects of Planetary Parameters on Disequilibrium Chemistry in Irradiated Planetary Atmospheres: From Gas Giants to Sub-Neptunes2410.17169v1 · Sagnick Mukherjee (1, Jonathan J. Fortney, Nicholas F. Wogan et al.2024 · 27 citationsarXiv
Possible Carbon Dioxide Above the Thick Aerosols of GJ 1214 b2410.10183v1 · Everett Schlawin, Kazumasa Ohno, Taylor J. Bell et al.2024 · 47 citationsarXiv
A Possible Metal-Dominated Atmosphere Below the Thick Aerosols of GJ 1214 b Suggested by its JWST Panchromatic Transmission Spectrum2410.10186v2 · Kazumasa Ohno, Everett Schlawin, Taylor J. Bell et al.2024 · 32 citationsarXiv
Disequilibrium Chemistry, Diabatic Thermal Structure, and Clouds in the Atmosphere of COCONUTS-2b2410.10939v2 · Zhoujian Zhang, Sagnick Mukherjee, Michael C. Liu et al.2024 · 12 citationsarXiv
Spectroscopically resolved partial phase curve of the rapid heating and cooling of the highly-eccentric Hot Jupiter HAT-P-2b with WFC32410.11643v1 · Bob Jacobs, Jean-Michel D'esert, Nikole Lewis et al.2024 · 3 citationsarXiv
Assessing Core-Powered Mass Loss in the Context of Early Boil-Off: Minimal Long-Lived Mass Loss for the Sub-Neptune Population2410.08577v1 · Yao Tang, Jonathan J. Fortney, Ruth Murray-Clay2024 · 26 citationsarXiv
JWST/NIRISS reveals the water-rich "steam world" atmosphere of GJ 9827 d2410.03527v1 · Caroline Piaulet-Ghorayeb, Bjorn Benneke, Michael Radica et al.2024 · 94 citationsarXiv
The erosion of large primary atmospheres typically leaves behind substantial secondary atmospheres on temperate rocky planets.39333519 · Krissansen-Totton, Joshua, Wogan, Nicholas, Thompson, Maggie et al.2024 · 49 citationsNature communications. 2024;15(1):8374
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