LW
Luis Welbanks
astro-ph.EPastro-ph.SRastro-ph.IMexoplanetsExoplanetsastrobiologyastro-ph.HEAstrostatistics techniquesatmospheresAtmospheric chemistry
On Valency
published · living versionsW_x4ej2wk4·v1 · currentpublished
The Pandora SmallSat: Target Selection and Early Science
with Emily A. Gilbert, Elisa V. Quintana, Jessie L. Dotson, Knicole D. Colón +39
1 version
Preprints & journals
102 papers in the corpus · 2016–2026The Pandora SmallSat: Target Selection and Early Science2610.30028v1 · Emily A. Gilbert, Elisa V. Quintana, Jessie L. Dotson et al.2026 · 0 citationsarXivon Valency
The Pandora SmallSat: post-launch operations and mission update2610.30372v1 · Trevor O. Foote, Elisa V. Quintana, Jessie L. Dotson et al.2026 · 0 citationsarXiv
A New Method for Constraining 3D Exoplanet Atmospheres: Application to WASP-94A b's Panchromatic Spectrum2610.22271v1 · Sagnick Mukherjee, Luis Welbanks, Guangwei Fu et al.2026 · 0 citationsarXiv
Enhancing the Interpretability of Radial Velocity Analysis Using Leave-one-out Cross-validation2610.07181v1 · Matthew C. Nixon, Ritvik Basant, Rafael Luque et al.2026 · 0 citationsarXiv
JWST MEP - A World Under Spotty Starlight: Detection of CO2 and H2O in the Hot Saturn WASP-52b with JWST NIRSpec G395H2609.21810v1 · JWST GO 3969 Team: Yanbo Pan, Ryan J. MacDonald, N'estor Espinoza 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
New and Updated Rossiter-McLaughlin Measurements for Three Hot Jupiter-Hosting M Dwarfs2609.03031v1 · Drew Weisserman, Ryan Cloutier, Alexandra Rochon et al.2026 · 0 citationsarXiv
Nautilus Space Observatory: Unveiling the Diversity and Origin of Sub-Neptunes with the Nautilus Space Observatory2607.00268v1 · Luis Welbanks, Kylie E. Hall, Julien de Wit et al.2026 · 0 citationsarXiv
Mapping Stellar Heterogeneities with the Nautilus Space Observatory2606.30706v1 · Adina D. Feinstein, Jeff Valenti, Julien de Wit et al.2026 · 0 citationsarXiv
Nautilus Space Observatory: The Evolution of Planets and their Atmospheres2606.26214v1 · Ilaria Pascucci, Noah Tuchow, Yifan Zhou 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
KRONOS II: Solar-like Umbra and Penumbra Properties on the Young Sun V1298~Tau2606.16782v2 · Matthew M. Murphy, Adina D. Feinstein, Meir E. Schochet et al.2026 · 0 citationsarXiv
The Roasting Marshmallows Program with IGRINS on Gemini South V: Atmosphere of MASCARA-1b is Enriched in Refractory Elements2606.07497v1 · Krishna Kanumalla, Michael R. Line, Martina Chiarella et al.2026 · 1 citationarXiv
KRONOS I: The m JWST Transmission Spectrum of the 23 Myr V1298 Tau c2606.03740v3 · Matthew M. Murphy, Matthew C. Nixon, Adina D. Feinstein et al.2026 · 1 citationAJ 172 66 (2026)
Impact of Clouds on the Atmosphere-Mantle Interface of Sub-Neptunes2605.27353v1 · Sagnick Mukherjee, Matthew C. Nixon, Luis Welbanks 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
Super-Solar Metallicity and Tentative Evidence for Photochemistry on WASP-96b from JWST and Ground-Based VLT Transmission Spectroscopy2604.05049v1 · Michael Radica, Jake Taylor, Yoav Rotman et al.2026 · 0 citationsarXiv
A Panchromatic JWST Spectrum of a Giant Starspot on the Fully Convective M-dwarf TOI-38842603.15414v2 · C. A. Murray, L. Garcia, B. V. Rackham et al.2026 · 1 citationC. A. Murray et al 2026 ApJL 1003 L45
NASA's Pandora SmallSat Mission: Simulated Modeling and Retrieval of Near-Infrared Exoplanet Transmission Spectra2603.04488v1 · Yoav Rotman, Peter McGill, Luis Welbanks et al.2026 · 3 citationsarXiv
NASA's Pandora SmallSat Mission: Simulating the Impact of Stellar Photospheric Heterogeneity and Its Correction2603.04519v2 · Benjamin V. Rackham, Aishwarya R. Iyer, D'aniel Apai et al.2026 · 2 citationsarXiv
A Stellar magnesium to silicon ratio in the atmosphere of an exoplanet.41708629 · Sanchez, Jorge A, Smith, Peter C B, Kanumalla, Krishna et al.2026 · 5 citationsNature communications. 2026;17(1)
Computational challenges in exoplanet atmospheric retrieval.42564219 · K Barstow, Joanna, Welbanks, Luis2026 · 0 citationsLiving reviews in computational astrophysics. 2026;12(1):6
Methane on the temperate exo-Saturn TOI-199b2511.15835v2 · Aaron Bello-Arufe, Renyu Hu, Mantas Zilinskas et al.2025 · 2 citationsAJ, 171, 354 (2026)
Magma ocean interactions can explain JWST observations of the sub-Neptune TOI-270 d2510.07367v2 · Matthew C. Nixon, R. Sander Somers, Arjun B. Savel et al.2025 · 15 citationsThe Astrophysical Journal, Volume 995, Issue 1, id.95, 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)
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
Prospects for detecting signs of life on exoplanets in the JWST era.40982683 · Seager, Sara, Welbanks, Luis, Ellerbroek, Lucas et al.2025 · 16 citationsProceedings of the National Academy of Sciences of the United States of America. 2025;122(39):e2416188122
Mapping the SO2 Shoreline in Gas Giant Exoplanets2509.14318v2 · Ian J. M. Crossfield, Eva-Maria Ahrer, Jonathan Brande et al.2025 · 7 citationsarXiv
Volcanic Satellites Tidally Venting Na, K, SO2 in Optical & Infrared Light2509.08349v1 · Apurva V. Oza, Andrea Gebek, Moritz Meyer zu Westram et al.2025 · 0 citationsarXiv
Aligned Stellar Obliquities for Two Hot Jupiter-hosting M Dwarfs Revealed by MAROON-X: Implications for Hot Jupiter Formation2508.13145v1 · Drew Weisserman, Erik Gillis, Ryan Cloutier et al.2025 · 4 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
On Linking Planet Formation Models, Protoplanetary Disk Properties, and Mature Gas Giant Exoplanet Atmospheres2506.00669v1 · Adina D. Feinstein, Richard A. Booth, Jennifer B. Bergner et al.2025 · 1 citationarXiv
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)
Challenges in the detection of gases in exoplanet atmospheres2504.21788v3 · Luis Welbanks, Matthew C. Nixon, Peter McGill et al.2025 · 22 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
Enabling Robust Exoplanet Atmospheric Retrievals with Gaussian Processes2503.21702v2 · Yoav Rotman, Luis Welbanks, Michael R. Line et al.2025 · 9 citationsarXiv
HST Transmission Spectra of the Hot-Neptune HD 219666 b: Detection of Water and the Challenge of Constraining Both Water and Methane2503.03895v2 · Matthew M. Murphy, Thomas G. Beatty, Luis Welbanks et al.2025 · 6 citationsAJ 169 286 (2025)
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
Evidence for a volcanic atmosphere on the sub-Earth L98-59b2501.18680v1 · Aaron Bello-Arufe, Mario Damiano, Katherine A. Bennett et al.2025 · 1 citationarXiv
Statistical trends in JWST transiting exoplanet atmospheres2501.02081v1 · Guangwei Fu, Kevin B. Stevenson, David K. Sing et al.2025 · 13 citationsarXiv
Horizontal and vertical exoplanet thermal structure from a JWST spectroscopic eclipse map.41415969 · Challener, Ryan C, Weiner Mansfield, Megan, Cubillos, Patricio E et al.2025 · 6 citationsNature astronomy. 2025;9(12):1821-1832
A Measurement of the Water Abundance in the Atmosphere of the Hot Jupiter WASP-43b with High-resolution Cross-correlation Spectroscopy2411.17923v1 · Dare Bartelt, Megan Weiner Mansfield, Michael R. Line et al.2024 · 1 citationarXiv
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
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
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
A Fourth Planet in the Kepler-51 System Revealed by Transit Timing Variations2410.01625v2 · Kento Masuda, Jessica E. Libby-Roberts, John H. Livingston et al.2024 · 19 citationsarXiv
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