activity
20102025
most citedA continuum from clear to cloudy hot-Jupiter exoplanets without primordial water depletion

979 citations · 7.7k across the 83 of their papers we have counts for

collaborators

83 papers

astro-ph.EP2025

SiO and a super-stellar C/O ratio in the atmosphere of the giant exoplanet WASP-121b

Thomas M. Evans-Soma, David K. Sing, Joanna K. Barstow +15

Refractory elements such as iron, magnesium, and silicon can be detected in the atmospheres of ultrahot giant planets. This provides an opportunity to quantify the amount of refrac…

astro-ph.EP2024★ 2 cited

A Global Perspective with Updated Constraints on the Ultra-hot Jupiter WASP-19b: Atmospheric Properties and Stellar Activity

Abigail A. Tumborang, Jessica J. Spake, Heather A. Knutson +7

We present a detailed reanalysis of the atmospheric properties of WASP-19b, an ultra-hot Jupiter (1.14 M Jup, 1.41 R Jup) orbiting an active Sun-like star every 0.79 day. We reanal…

astro-ph.EP2024★ 4 cited

Reflected-light Phase Curves with PICASO: A Kepler-7b Case Study

Colin D. Hamill, Alexandria V. Johnson, Natasha Batalha +4

Examining reflected light from exoplanets aids in our understanding of the scattering properties of their atmospheres and will be a primary task of future flagship space- and groun…

astro-ph.EP2024★ 50 cited

Quartz Clouds in the Dayside Atmosphere of the Quintessential Hot Jupiter HD 189733 b

Julie Inglis, Natasha E. Batalha, Nikole K. Lewis +16

Recent mid-infrared observations with JWST/MIRI have resulted in the first direct detections of absorption features from silicate clouds in the transmission spectra of two transiti…

astro-ph.EP2024

A Comprehensive Analysis Spitzer 4.5 m Phase Curve of Hot Jupiters

Lisa Dang, Taylor J. Bell, Ying +19

Although exoplanetary science was not initially projected to be a substantial part of the Spitzer mission, its exoplanet observations set the stage for current and future surveys w…

astro-ph.EP2024

Atmospheric Retrievals of the Young Giant Planet ROXs 42B b from Low- and High-Resolution Spectroscopy

Julie Inglis, Nicole L. Wallack, Jerry W. Xuan +7

Previous attempts have been made to characterize the atmospheres of directly imaged planets at low-resolution (R10s-100s), but the presence of clouds has often led to degener…

astro-ph.IM2023

The development of HISPEC for Keck and MODHIS for TMT: science cases and predicted sensitivities

Quinn M. Konopacky, Ashley D. Baker, Dimitri Mawet +72

HISPEC is a new, high-resolution near-infrared spectrograph being designed for the W.M. Keck II telescope. By offering single-shot, R=100,000 between 0.98 - 2.5 um, HISPEC will ena…

astro-ph.EP2023

A Shallow Water Model Exploration of Atmospheric Circulation on Sub-Neptunes: Effects of Radiative Forcing and Rotation Period

Ekaterina Landgren, Alice Nadeau, Nikole Lewis +2

Sub-Neptune type exoplanets are abundant in our galaxy yet have no solar system analogs. They exist in a broad range of stellar forcing and rotational regimes that are distinctly d…

astro-ph.EP2023★ 164 cited

A reflective, metal-rich atmosphere for GJ 1214b from its JWST phase curve

Eliza M. -R. Kempton, Michael Zhang, Jacob L. Bean +30

There are no planets intermediate in size between Earth and Neptune in our Solar System, yet these objects are found around a substantial fraction of other stars. Population statis…

astro-ph.EP2023★ 43 cited

A JWST NIRSpec Phase Curve for WASP-121b: Dayside Emission Strongest Eastward of the Substellar Point and Nightside Conditions Conducive to Cloud Formation

Thomas Mikal-Evans, David K. Sing, Jiayin Dong +10

We present the first exoplanet phase curve measurement made with the JWST NIRSpec instrument, highlighting the exceptional stability of this newly-commissioned observatory for exop…

astro-ph.EP2022★ 327 cited

Early Release Science of the exoplanet WASP-39b with JWST NIRSpec PRISM

Z. Rustamkulov, D. K. Sing, S. Mukherjee +91

Transmission spectroscopy of exoplanets has revealed signatures of water vapor, aerosols, and alkali metals in a few dozen exoplanet atmospheres. However, these previous inferences…

astro-ph.EP2022★ 72 cited

Signatures of Strong Magnetization and Metal-Poor Atmosphere for a Neptune-Size Exoplanet

Lotfi Ben-Jaffel, Gilda E. Ballester, Antonio García Muñoz +10

The magnetosphere of an exoplanet has yet to be unambiguously detected. Investigations of star-planet interaction and neutral atomic hydrogen absorption during transit to detect ma…

astro-ph.EP2022★ 41 cited

Roaring Storms in the Planetary-Mass Companion VHS 1256-1257 b: Hubble Space Telescope Multi-epoch Monitoring Reveals Vigorous Evolution in an Ultra-cool Atmosphere

Yifan Zhou, Brendan P. Bowler, Dániel Apai +5

Photometric and spectral variability of brown dwarfs probes heterogeneous temperature and cloud distribution and traces the atmospheric circulation patterns. We present a new 42-hr…

astro-ph.EP2022★ 14 cited

Utilizing a global network of telescopes to update the ephemeris for the highly eccentric planet HD 80606 b and to ensure the efficient scheduling of JWST

Kyle A. Pearson, Chas Beichman, Benjamin J. Fulton +37

The transiting planet HD80606b undergoes a 1000-fold increase in insolation during its 111-day orbit due to it being highly eccentric (e=0.93). The planet's effective temperature i…

astro-ph.EP2022★ 193 cited

Identification of carbon dioxide in an exoplanet atmosphere

The JWST Transiting Exoplanet Community Early Release Science Team, Eva-Maria Ahrer, Lili Alderson +129

Carbon dioxide (CO2) is a key chemical species that is found in a wide range of planetary atmospheres. In the context of exoplanets, CO2 is an indicator of the metal enrichment (i.…

astro-ph.EP2022★ 1 cited

The Hubble PanCET Program: A Featureless Transmission Spectrum for WASP-29b and Evidence of Enhanced Atmospheric Metallicity on WASP-80b

Ian Wong, Yayaati Chachan, Heather A. Knutson +19

We present a uniform analysis of transit observations from the Hubble Space Telescope and Spitzer Space Telescope of two warm gas giants orbiting K-type stars - WASP-29b and WASP-8…

astro-ph.EP2022

Cloudy and Cloud-free Thermal Phase Curves with PICASO: Applications to WASP-43b

Nina Robbins-Blanch, Tiffany Kataria, Natasha E. Batalha +1

We present new functionality within PICASO, a state-of-the-art radiative transfer model for exoplanet and brown dwarf atmospheres, by developing a new pipeline that computes phase-…

astro-ph.EP2022★ 37 cited

A Comprehensive Analysis of WASP-17b's Transmission Spectrum from Space-Based Observations

L. Alderson, H. R. Wakeford, R. J. MacDonald +9

Due to its 1770 K equilibrium temperature, WASP-17b, a 1.99 , 0.486 exoplanet, sits at the critical juncture between hot and ultra-hot Jupiters. We…

astro-ph.EP2022★ 68 cited

Diurnal variations in the stratosphere of the ultrahot giant exoplanet WASP-121b

Thomas Mikal-Evans, David K. Sing, Joanna K. Barstow +9

The temperature profile of a planetary atmosphere is a key diagnostic of radiative and dynamical processes governing the absorption, redistribution, and emission of energy. Observa…

astro-ph.EP2021★ 28 cited

Spatially Resolved Modeling of Optical Albedos for a Sample of Six Hot Jupiters

Danica Adams, Tiffany Kataria, Natasha Batalha +2

Optical secondary eclipse measurements made by \emph{Kepler} reveal a diverse set of geometric albedos for hot Jupiters with equilibrium temperatures between K. The pre…

astro-ph.EP2021★ 14 cited

Thermal Phase Curves of XO-3b: an Eccentric Hot Jupiter at the Deuterium Burning Limit

Lisa Dang, Taylor J. Bell, Nicolas B. Cowan +15

We report \textit{Spitzer} full-orbit phase observations of the eccentric hot Jupiter XO-3b at 3.6 and 4.5 m. Our new eclipse depth measurements of ppm at 3.6 …

astro-ph.EP2021★ 3 cited

Spitzer phase curve observations and circulation models of the inflated ultra-hot Jupiter WASP-76b

Erin M. May, Thaddeus D. Komacek, Kevin B. Stevenson +15

The large radii of many hot Jupiters can only be matched by models that have hot interior adiabats, and recent theoretical work has shown that the interior evolution of hot Jupiter…

astro-ph.EP2021★ 7 cited

The Emission Spectrum of the Hot Jupiter WASP-79b from HST/WFC3

Trevor O. Foote, Nikole K. Lewis, Brian M. Kilpatrick +12

Here we present a thermal emission spectrum of WASP-79b, obtained via Hubble Space Telescope Wide Field Camera 3 G141 observations as part of the PanCET program. As we did not obse…

astro-ph.EP2021★ 21 cited

The Dark World: A Tale of WASP-43b in Reflected Light with HST WFC3/UVIS

Jonathan Fraine, Laura C. Mayorga, Kevin B. Stevenson +14

Optical, reflected light eclipse observations provide a direct probe of the exoplanet scattering properties, such as from aerosols. We present here the photometric, reflected light…