activity
20072026
most citedSeven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1

1.6k citations · 15.2k across the 231 of their papers we have counts for

collaborators

238 papers

astro-ph.EP2026

JWST NIRSpec G395H Transmission Spectra of Two Similar Sub-Neptunes in the TOI-125 System

Yiwei Chai, Néstor Espinoza, Chloe Fisher +10

The James Webb Space Telescope (JWST) has enabled the first in-depth characterisations of sub-Neptune atmospheres, revealing a diversity of chemical compositions and cloud properti…

astro-ph.EP2026

Hot Rocks Survey VI: An anomalously hot dayside for the rocky planet GJ 357 b

Merlin Zgraggen, Brice-Olivier Demory, Hannah Diamond-Lowe +15

As part of the JWST Hot Rocks Survey, we analyzed a JWST/MIRI F1500W secondary-eclipse observation of GJ 357 b, a rocky exoplanet orbiting a nearby M dwarf. We also performed a new…

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.IM2026

Astra: an open-source fully autonomous robotic observatory control software

Peter P. Pedersen, David Degen, Lionel Garcia +12

Robotic and autonomous observatories are critical for modern time-domain and high-cadence astronomical surveys. The operation of these facilities requires complex software coordina…

astro-ph.EP2026★ 1 cited

Evolution and Observable Properties of Rocky Planet Atmospheres

Marie-Luise Steinmeyer, Lena Noack, Philipp Baumeister +9

The atmospheric composition of rocky exoplanets offers an important tool for constraining the properties of the interior of this type of planet, beyond what is possible from measur…

astro-ph.EP2026★ 1 cited

The multi-planet system TOI-5624: Four transiting sub-Neptunes with an outer companion revealed by transit-timing variations

A. Bonfanti, D. Gandolfi, P. Leonardi +96

Following the 2022 alert of a TESS object of interest transiting TOI-5624 (a G7 V star 100 pc away), a CHEOPS campaign in 2023 detected four planetary signals at $P_b\approx3…