Hubble's Multi-Year Search for Exospheres in the TRAPPIST-1 System Reveals Frequent Microflares

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Berardo, David, de Wit, Julien, Gillon, Michael, Howard, Ward S., Bourrier, Vincent, Cotton, Matthew W., Quatresooz, Florian, Hoerner, Léonie, Bolmont, Emeline, Burdanov, Artem, Burgasser, Adam J., Demory, Brice-Olivier, Enhrenreich, David, Lederer, Susan M., Rackham, Benjamin V., Seager, Sara, Triaud, Amaury
Format:	Preprint
Published:	2025
Subjects:	Earth and Planetary Astrophysics Solar and Stellar Astrophysics
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

Similar Items

Empirically Constraining the Spectra of Stellar Surface Features Using Time-Resolved Spectroscopy
by: Berardo, David, et al.
Published: (2023)

Gravity-sensitive Spectral Indices in Ultracool Dwarfs: Investigating Correlations with Metallicity and Planet Occurrence using SpeX and FIRE Observations
by: Davoudi, Fatemeh, et al.
Published: (2025)

Estimation of the tidal heating in the TRAPPIST-1 planets. Influence of the internal structure
by: Bolmont, Emeline, et al.
Published: (2026)

Drifts of the sub-stellar points of the TRAPPIST-1 planets
by: Alexandre, Revol, et al.
Published: (2024)

TRAPPIST-1 and its compact system of temperate rocky planets
by: Gillon, Michaël
Published: (2024)

Flares on TRAPPIST-1 reveal the spectrum of magnetic features on its surface
by: Vasilyev, Valeriy, et al.
Published: (2025)

Interior-Atmosphere Coupling on TRAPPIST-1 f, g, and h: Cryovolcanic Water Exospheres and Infrared Detectability
by: Kleisioti, E., et al.
Published: (2026)

First JWST thermal phase curves of temperate terrestrial exoplanets reveal no thick atmosphere around TRAPPIST-1 b and c
by: Gillon, Michaël, et al.
Published: (2025)

A single power law for the TRAPPIST-1 flare distribution across four orders of magnitude in energy
by: Vasilyev, Valeriy, et al.
Published: (2026)

Unlocking HST's Stellar Treasure Trove: Stellar Activity Minima for HAT-P-11 Offer Prime Windows for Transmission Spectroscopy
by: Niraula, Prajwal, et al.
Published: (2026)

Toward Robust Corrections for Stellar Contamination in JWST Exoplanet Transmission Spectra
by: Rackham, Benjamin V., et al.
Published: (2023)

Constraints on the possible atmospheres on TRAPPIST-1 b: insights from 3D climate modeling
by: Maurel, Alice, et al.
Published: (2025)

Stellar Contamination Correction Using Back-to-Back Transits of TRAPPIST-1 b and c
by: Rathcke, Alexander D., et al.
Published: (2024)

Molecular hydrogen controls the temperatures of flares on TRAPPIST-1
by: Solanki, Alexander I. Shapiro Nadiia Kostogryz Sara Seager Veronika Witzke Julien de Wit Valeriy Vasilyev Astrid M. Veronig Robert Cameron Hardi Peter Sami K.
Published: (2026)

Infrared photometry with InGaAs detectors: First light with SPECULOOS
by: Pedersen, Peter P., et al.
Published: (2024)

Combined Exoplanet Mass and Atmospheric Characterization for Accelerated Exoplanetology
by: de Wit, Julien, et al.
Published: (2025)

What's in Your Transit? Towards Reliably Getting $5\times$ More Science from Exoplanet Transit Data
by: Mercier, Samson J., et al.
Published: (2025)

Atmospheric carbon depletion as a tracer of water oceans and biomass on temperate terrestrial exoplanets
by: Triaud, Amaury H. M. J., et al.
Published: (2023)

Helium in Exoplanet Exospheres: Orbital and Stellar Influences
by: Krishnamurthy, Vigneshwaran, et al.
Published: (2024)

Atmospheric Reconnaissance of TRAPPIST-1 b with JWST/NIRISS: Evidence for Strong Stellar Contamination in the Transmission Spectra
by: Lim, Olivia, et al.
Published: (2023)

Predicting Gaia astrometry's ability to constrain the populations of circumbinary planets
by: Baycroft, Thomas A., et al.
Published: (2026)

Saltire -- A model to measure dynamical masses for high-contrast binaries and exoplanets with high-resolution spectroscopy
by: Sebastian, Daniel, et al.
Published: (2023)

Separating flare and secondary atmospheric signals with RADYN modeling of near-infrared JWST transmission spectroscopy observations of TRAPPIST-1
by: Howard, Ward S., et al.
Published: (2025)

Progress report on the BEBOP search for circumbinary planets with radial velocities
by: Baycroft, Thomas A., et al.
Published: (2024)

Ever Elusive Exospheres: One Probable Detection and Two Non-Detections of Hα Transits in Young Systems
by: Milburn, Reilly P., et al.
Published: (2025)

JWST TRAPPIST-1 e/b Program: Motivation and first observations
by: Allen, Natalie H., et al.
Published: (2025)

The PAIRS project: a global formation model for planets in binaries. II. Gravitational perturbation effects from secondary stars
by: Nigioni, Arianna, et al.
Published: (2026)

Survival of satellites during the migration of a Hot Jupiter
by: Bolmont, Emeline, et al.
Published: (2025)

A Radio Technosignature Search of TRAPPIST-1 with the Allen Telescope Array
by: Tusay, Nick, et al.
Published: (2024)

Moving Plasma Structures and Possible Driving Mechanisms of Solar Microflares Observed with High-Resolution Coronal Imaging
by: Wang, Qingmei, et al.
Published: (2025)

JWST-TST DREAMS: NIRSpec/PRISM Transmission Spectroscopy of the Habitable Zone Planet TRAPPIST-1 e
by: Espinoza, Néstor, et al.
Published: (2025)

The JADE code. II. Modeling the coupled orbital and atmospheric evolution of GJ 436 b to constrain its migration and companion
by: Attia, M., et al.
Published: (2025)

Uncertainties in the Inference of Internal Structure: The Case of TRAPPIST-1 f
by: Rice, David R., et al.
Published: (2025)

Competing chemical signatures in the atmosphere of TOI-270 d: Inference of sulfur and carbon chemistry
by: Felix, Lukas, et al.
Published: (2025)

Exploring TRAPPIST-1 Climate States with an Energy Balance Model
by: Haqq-Misra, Jacob
Published: (2026)

Evidence for a polar circumbinary exoplanet orbiting a pair of eclipsing brown dwarfs
by: Baycroft, Thomas A., et al.
Published: (2025)

Polar alignment of a circumbinary disc around a brown dwarf binary
by: Smallwood, Jeremy L., et al.
Published: (2025)

Reliable Transmission Spectrum Extraction with a Three-Parameter Limb Darkening Law
by: Keers, Rosa E., et al.
Published: (2024)

Coupled Photochemical-Climate Modeling of Plausible Tenuous Outgassed Atmospheres on the TRAPPIST-1 Planets
by: Gialluca, Megan, et al.
Published: (2026)

A Fast and Physically Grounded Ocean Model for GCMs: The Dynamical Slab Ocean Model of the Generic-PCM (rev. 3423)
by: Bhatnagar, Siddharth, et al.
Published: (2026)