activity
20152026
most citedA population study of gaseous exoplanets

335 citations · 2k across the 31 of their papers we have counts for

collaborators

34 papers

astro-ph.EP2026

Science-Driven Performance Requirements for UV Coronagraph Design: Implications for O Detection in Earth-like Atmospheres

Amber V. Young, Giada Arney, Shawn Domagal-Goldman +6

Detecting biosignatures on Earth-like exoplanets from the Proterozoic era requires instrumentation capable of probing near-ultraviolet (NUV) spectral features, particularly ozone (…

astro-ph.EP2026

Ultraviolet Reflected-Light Spectroscopy of Modern Earth Analogs with Starshade Observations

Zahra Ahmed, Stuart Shaklan, Mario Damiano +3

Characterizing rocky, habitable zone planets in reflected light is a key science objective for future direct imaging missions, and the ultraviolet (UV) is uniquely suited for suppo…

astro-ph.IM2026

Early Exploration of the Scientific Discovery Space for the Habitable Worlds Observatory

Courtney D. Dressing, Danica Adams, Evelyne Alecian +324

The Habitable Worlds Observatory (HWO) is a future NASA flagship mission concept identified by the Astro2020 Decadal Survey as the highest priority for large space missions. HWO sh…

astro-ph.EP2026

The SPACE Program II: No discernible spectral features in the transmission spectrum of the sub-Neptune HD 191939 b observed with HST/WFC3

Cyril Gapp, Lorena Acuña-Aguirre, Reza Ashtari +17

The atmospheres of sub-Neptunes provide a window into their internal structure and history, shedding light on the origin of this common, but enigmatic, class of exoplanets. However…

astro-ph.EP2026

The Impact of Planetary Phase Functions on Exo-Earth Detectability with EXOSIMS

Searra Foote, Tyler D. Robinson, Rhonda Morgan +3

The under-development NASA Habitable Worlds Observatory (HWO) aims to provide breakthroughs in exoplanet science, yet the most effective approaches to modeling the detection and ch…

astro-ph.EP2026★ 1 cited

Retrieving the Red Edge on Earth-like Planets with Heterogeneous Clouds and Surfaces

Zachary Burr, Mario Damiano, Vincent Kofman +2

The detection and characterization of potentially habitable exoplanets is one of the chief goals of astrophysics for the coming decades. Imaging in reflected light is well suited f…

astro-ph.IM2025

Direct imaging characterization of cool gaseous planets

Michiel Min, Jo Barstow, Laura C. Mayorga +19

Cool gas giant exoplanets, particularly those with properties similar to those of Jupiter and Saturn, remain poorly characterized due to current observational limitations. This whi…

astro-ph.EP2025★ 1 cited

Methane on the temperate exo-Saturn TOI-199b

Aaron Bello-Arufe, Renyu Hu, Mantas Zilinskas +10

Temperate ( K) gas giants represent an unexplored frontier in exoplanet atmospheric spectroscopy. Orbiting a G-type star every days, the Saturn-mass exopl…

astro-ph.EP2025

Volcanic Satellites Tidally Venting Na, K, SO2 in Optical & Infrared Light

Apurva V. Oza, Andrea Gebek, Moritz Meyer zu Westram +19

Recent infrared spectroscopy from the James Webb Space Telescope (JWST) has spurred analyses of common volcanic gases such as carbon dioxide (CO2), sulfur dioxide (SO2), alongside…

astro-ph.EP2025★ 3 cited

A water-rich interior in the temperate sub-Neptune K2-18 b revealed by JWST

Renyu Hu, Aaron Bello-Arufe, Armen Tokadjian +7

Temperate sub-Neptunes are compelling targets for detecting liquid-water oceans beyond the Solar System. If water-rich and lacking massive hydrogen-helium envelopes, these planets…

astro-ph.EP2025

Effects of planetary mass uncertainties on the interpretation of the reflectance spectra of Earth-like exoplanets

Mario Damiano, Zachary Burr, Renyu Hu +2

Atmospheric characterization of Earth-like exoplanets through reflected light spectroscopy is a key goal for upcoming direct imaging missions. A critical challenge in this endeavor…

astro-ph.EP2025★ 1 cited

Evidence for a volcanic atmosphere on the sub-Earth L98-59b

Aaron Bello-Arufe, Mario Damiano, Katherine A. Bennett +8

Assessing the prevalence of atmospheres on rocky planets around M-dwarf stars is a top priority of exoplanet science. High-energy activity from M-dwarfs can destroy the atmospheres…

astro-ph.EP2024

The Detectability of CH/CO/CO and NO Biosignatures through Reflection Spectroscopy of Terrestrial Exoplanets

Armen Tokadjian, Renyu Hu, Mario Damiano

The chemical makeup of Earth's atmosphere during the Archean (4 Ga-2.5 Ga) and Proterozoic eon (2.5 Ga-0.5 Ga) contrast considerably with the present-day: the Archean was rich in c…

astro-ph.EP2024★ 62 cited

A Benchmark JWST Near-Infrared Spectrum for the Exoplanet WASP-39b

A. L. Carter, E. M. May, N. Espinoza +77

Observing exoplanets through transmission spectroscopy supplies detailed information on their atmospheric composition, physics, and chemistry. Prior to JWST, these observations wer…

astro-ph.EP2024★ 114 cited

A secondary atmosphere on the rocky exoplanet 55 Cancri e

Renyu Hu, Aaron Bello-Arufe, Michael Zhang +14

Characterizing rocky exoplanets is a central endeavor of astronomy, and yet the search for atmospheres on rocky exoplanets has hitherto resulted in either tight upper limits on the…

astro-ph.EP2024★ 54 cited

LHS 1140 b is a potentially habitable water world

Mario Damiano, Aaron Bello-Arufe, Jeehyun Yang +1

LHS 1140 b is a small planet orbiting in the habitable zone of its M4.5V dwarf host. Recent mass and radius constraints have indicated that it has either a thick H-rich atmosph…

astro-ph.EP2023★ 14 cited

Reflected spectroscopy of small exoplanets III: probing the UV band to measure biosignature gasses

Mario Damiano, Renyu Hu, Bertrand Mennesson

Direct-imaging observations of terrestrial exoplanets will enable their atmospheric characterization and habitability assessment. Considering the Earth, the key atmospheric signatu…

astro-ph.EP2023★ 3 cited

The transmission spectrum of the potentially rocky planet L 98-59 c

Thomas Barclay, Kyle B. Sheppard, Natasha Latouf +32

We present observations of the 1.35+/-0.07 Earth-radius planet L 98-59 c, collected using Wide Field Camera 3 on the Hubble Space Telescope. L 98-59 is a nearby (10.6 pc), bright (…

astro-ph.EP2022★ 197 cited

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

Eva-Maria Ahrer, Kevin B. Stevenson, Megan Mansfield +96

Measuring the metallicity and carbon-to-oxygen (C/O) ratio in exoplanet atmospheres is a fundamental step towards constraining the dominant chemical processes at work and, if in eq…

astro-ph.EP2022★ 274 cited

Early Release Science of the Exoplanet WASP-39b with JWST NIRSpec G395H

Lili Alderson, Hannah R. Wakeford, Munazza K. Alam +89

Measuring the abundances of carbon and oxygen in exoplanet atmospheres is considered a crucial avenue for unlocking the formation and evolution of exoplanetary systems. Access to a…

astro-ph.EP2022★ 25 cited

A transmission spectrum of the sub-Earth planet L98-59~b in 1.1-1.7 m

Mario Damiano, Renyu Hu, Thomas Barclay +20

With the increasing number of planets discovered by TESS, the atmospheric characterization of small exoplanets is accelerating. L98-59 is a M-dwarf hosting a multi-planet system, a…

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★ 34 cited

Reflected spectroscopy of small exoplanets II: characterization of terrestrial exoplanets

Mario Damiano, Renyu Hu

A space telescope capable of high-contrast imaging has been recognized as the avenue toward finding terrestrial planets around nearby Sun-like stars and characterizing their potent…

astro-ph.EP2021

Reflected spectroscopy of small exoplanets I: determining the atmospheric composition of sub-Neptunes planets

Mario Damiano, Renyu Hu

Direct imaging of widely separated exoplanets from space will obtain their reflected light spectra and measure their atmospheric properties, and small and temperate planets will be…