BR
Benjamin V. Rackham
astro-ph.EPastro-ph.SRastro-ph.IMExoplanetsAtmospheric chemistryAtmospheric dynamicscs.LGcs.SYeess.SYGiant planets
On Valency
published · living versionsW_jbs2xsrs·v1 · currentpublished
Magnetic Activity as a Driver of Low-gravity-like Spectral Morphology in Late-M Dwarfs
with Chia-Lung Lin, Daniel Apai, Prajwal Niraula, Mark S. Giampapa +5
1 version
W_x4ej2wk4·v1published
Preprints & journals
134 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
On-sky performance and prospects of near-infrared CMOS detectors in exoplanet detection: first year of SPIRIT2610.19902v1 · Claudia Jan'o-Munoz, Matthew J. Hooton, Peter P. Pedersen et al.2026 · 0 citationsarXiv
TOI-6981 b: a transiting sub-Neptune at the water ice line2609.37597v1 · Madison G. Scott, Amaury H.M.J Triaud, Emily K. Pass et al.2026 · 0 citationsarXiv
Leveraging Impact Parameter to Mitigate the Transit Light Source Effect: Early Insights from TRAPPIST-12608.20450v2 · Ana Glidden, Alexander I. Shapiro, Sara Seager et al.2026 · 0 citationsAna Glidden et al 2026 ApJL 1008 L48
Stellar Multiplicity of M Dwarfs with Short-period Giant Planets, and the Characterization of TOI-5628Ab2607.10177v1 · Tianjun Gan, Alexandrine L'Heureux, Charles Cadieux 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
A Scalable Path to Astrometric Exomoon Discoveries with the Nautilus Space Observatory2606.28523v2 · Kevin Wagner, Sumin Seung, D'aniel Apai 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
Nautilus: Fast Time-Resolved Spectroscopy of GKM Stellar Flares and Their Implications for Planetary Habitability2606.26462v1 · Chia-Lung Lin, Adina D. Feinstein, Jeff Valenti 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
J0404+1112: A 3-Hour Eclipsing White Dwarf-Brown Dwarf Probing Multiple Atmospheric Regimes2606.03737v1 · J. de Wit, R. Alonso, B. V. Rackham et al.2026 · 0 citationsarXiv
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)
A Previously Underexplored Regime in TESS: Minute-Scale Eclipses Reveal Ten White Dwarf-Cool M-Dwarf Binaries2606.03850v1 · Tristan Cavalier, Julien de Wit, Mathilde Timmermans et al.2026 · 0 citationsarXiv
A single power law for the TRAPPIST-1 flare distribution across four orders of magnitude in energy2605.05468v2 · Valeriy Vasilyev, Alexander I. Shapiro, Nadiia Kostogryz et al.2026 · 0 citationsarXiv
A gem system with a lava world and a habitable zone sub-Neptune orbiting TOI-17522604.15816v1 · A. Pel'aez-Torres, F. J. Pozuelos, G. Morello et al.2026 · 1 citationarXiv
Unlocking HST's Stellar Treasure Trove: Stellar Activity Minima for HAT-P-11 Offer Prime Windows for Transmission Spectroscopy2603.24585v2 · Prajwal Niraula, Benjamin V. Rackham, Julien de Wit 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
TOI-4616 b: a benchmark Earth-sized planet transiting a nearby M4 dwarf2603.10905v1 · F. Zong Lang, B. O. Demory, Y. Gomez Maqueo Chew et al.2026 · 0 citationsarXiv
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
TOI-1080 b: a temperate, rocky planet orbiting a quiet M4V host2603.00385v1 · Y. G'omez Maqueo Chew, G. Dransfield, K. Barkaoui et al.2026 · 0 citationsarXiv
The Orbital Eccentricity--Radius Distribution for Warm, Single Planets in TESS2602.20015v2 · Tyler R. Fairnington, Jiayin Dong, Chelsea X. Huang et al.2026 · 0 citationsarXiv
Hidden Gems in TESS: sherlock finds two new rocky planets around nearby M dwarfs2601.21774v1 · M. Timmermans, M. D'evora-Pajares, F. J. Pozuelos et al.2026 · 0 citationsMon Not R Astron Soc (2026)
Two temperate Earth- and Neptune-sized planets orbiting fully convective M dwarfs2601.05799v1 · Madison G. Scott, Georgina Dransfield, Mathilde Timmermans et al.2026 · 1 citationarXiv
JWST TRAPPIST-1 e/b Program: Motivation and first observations2512.07695v1 · Natalie H. Allen, N'estor Espinoza, V. A. Boehm et al.2025 · 8 citationsarXiv
TOI-7166 b: A Habitable Zone mini-Neptune planet around a nearby low-mass star2512.06841v1 · Khalid Barkaoui, Francisco J. Pozuelos, Benjamin V. Rackham et al.2025 · 2 citationsMonthly Notices of the Royal Astronomical Society, 2025, Volume 544, Issue 2, pp. 2637-2652, 16 pp
Separating flare and secondary atmospheric signals with RADYN modeling of near-infrared JWST transmission spectroscopy observations of TRAPPIST-12512.04265v1 · Ward S. Howard, Adam F. Kowalski, Michael Radica et al.2025 · 2 citationsApJL 994, L31, 2025
MANGOS II: Five new giant planets orbiting low-mass stars2510.11528v1 · G. Dransfield, M. Timmermans, D. Sebastian et al.2025 · 3 citationsarXiv
What's in Your Transit? Towards Reliably Getting More Science from Exoplanet Transit Data2510.00124v1 · Samson J. Mercier, Julien de Wit, Benjamin V. Rackham2025 · 0 citationsarXiv
Testing the performance of cross-correlation techniques to search for molecular features in JWST NIRSpec G395H observations of transiting exoplanets2509.25319v1 · Emma Esparza-Borges, Mercedes L'opez-Morales, Enric Pall'e et al.2025 · 2 citationsarXiv
Limb Asymmetries on WASP-39b: A Multi-GCM Comparison of Chemistry, Clouds, and Hazes2509.21588v2 · Maria E. Steinrueck, Arjun B. Savel, Duncan A. Christie et al.2025 · 1 citationarXiv
TOI-1743 b, TOI-5799 b, TOI-5799 c and TOI-6223 b: TESS discovery and validation of four super-Earth to Neptune-sized planets around M dwarfs2509.05038v1 · S. Yalc\inkaya, K. Barkaoui, O. Basturk et al.2025 · 4 citationsA&A 702, A209 (2025)
Two warm Earth-sized exoplanets and an Earth-sized candidate in the M5V-M6V binary system TOI-22672508.14176v2 · S. Z'uniga-Fern'andez, F. J. Pozuelos, M. D'evora-Pajares et al.2025 · 11 citationsA&A 702, A85 (2025)
Flares on TRAPPIST-1 reveal the spectrum of magnetic features on its surface2508.04793v1 · Valeriy Vasilyev, Nadiia Kostogryz, Alexander I. Shapiro et al.2025 · 3 citationsarXiv
Gravity-sensitive Spectral Indices in Ultracool Dwarfs: Investigating Correlations with Metallicity and Planet Occurrence using SpeX and FIRE Observations2506.19928v2 · Fatemeh Davoudi, Benjamin V. Rackham, Julien de Wit et al.2025 · 0 citationsarXiv
TOI-1846b: A super-Earth in the radius valley orbiting a nearby M dwarf2506.18550v1 · Abderahmane Soubkiou, Khalid Barkaoui, Zouhair Benkhaldoun et al.2025 · 0 citationsarXiv
Hubble's Multi-Year Search for Exospheres in the TRAPPIST-1 System Reveals Frequent Microflares2506.12140v1 · David Berardo, Julien de Wit, Michael Gillon et al.2025 · 2 citationsarXiv
TOI-2407 b: a warm Neptune in the desert2506.06195v1 · C. Jan'o Munoz, M. J. Hooton, P. P. Pedersen et al.2025 · 3 citationsarXiv
A transiting rocky super-Earth and a non-transiting sub-Neptune orbiting the M dwarf TOI-7712504.18223v2 · G. Lacedelli, E. Pall'e, Y.T. Davis et al.2025 · 2 citationsA&A 698, A223 (2025)
TOI-6478 b: a cold under-dense Neptune transiting a fully convective M dwarf from the thick disc2504.06848v1 · Madison G. Scott, Amaury H.M.J. Triaud, Khalid Barkaoui et al.2025 · 5 citationsarXiv
TOI-6508b: A massive transiting brown dwarf orbiting a low-mass star2502.19940v1 · K. Barkaoui, D. Sebastian, S. Z'uniga-Fern'andez et al.2025 · 0 citationsarXiv
Stellar Models Also Limit Exoplanet Atmosphere Studies in Emission2502.19585v2 · Thomas J. Fauchez, Elsa Ducrot, Benjamin V. Rackham et al.2025 · 13 citationsarXiv
The Pandora SmallSat: A Low-Cost, High Impact Mission to Study Exoplanets and Their Host Stars2502.09730v2 · Thomas Barclay, Elisa V. Quintana, Knicole Col'on et al.2025 · 5 citationsarXiv
ExoMiner++: Enhanced Transit Classification and a New Vetting Catalog for 2-Minute TESS Data2502.09790v4 · Hamed Valizadegan, Miguel J. S. Martinho, Jon M. Jenkins et al.2025 · 6 citationsarXiv
TOI-2015b: a sub-Neptune in strong gravitational interaction with an outer non-transiting planet2502.07074v1 · K. Barkaoui, J. Korth, E. Gaidos et al.2025 · 0 citationsarXiv
A transiting giant planet in orbit around a 0.2-solar-mass host star.40687772 · Bryant, Edward M, Jordán, Andrés, Hartman, Joel D et al.2025 · 11 citationsNature astronomy. 2025;9(7):1031-1044
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
Stellar Contamination Correction Using Back-to-Back Transits of TRAPPIST-1 b and c2412.16541v1 · Alexander D. Rathcke, Lars A. Buchhave, Julien De Wit et al.2024 · 27 citationsarXiv
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