Stellar Contamination Correction Using Back-to-back Transits of TRAPPIST-1 b and c

Stellar Contamination Correction Using Back-to-back Transits of TRAPPIST-1 b and c

Stellar surface heterogeneities, such as spots and faculae, often contaminate exoplanet transit spectra, hindering precise atmospheric characterization. We demonstrate a novel, epoch-based, model-independent method to mitigate stellar contamination, applicable to multiplanet systems with at least on...

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Bibliographic Details
Main Authors: Alexander D. Rathcke, Lars A. Buchhave, Julien de Wit, Benjamin V. Rackham, Prune C. August, Hannah Diamond-Lowe, João M. MendonÇa, Aaron Bello-Arufe, Mercedes López-Morales, Daniel Kitzmann, Kevin Heng
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal Letters
Subjects:
Transmission spectroscopy
Stellar atmospheres
Planet hosting stars
Exoplanet atmospheres
Fundamental parameters of stars
Starspots
Online Access:https://doi.org/10.3847/2041-8213/ada5c7
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https://doi.org/10.3847/2041-8213/ada5c7

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