Polka-dotted Stars: A Hierarchical Model for Mapping Stellar Surfaces Using Occultation Light Curves and the Case of TOI-3884

Polka-dotted Stars: A Hierarchical Model for Mapping Stellar Surfaces Using Occultation Light Curves and the Case of TOI-3884

We present StarryStarryProcess , a novel hierarchical Bayesian framework for mapping stellar surfaces using exoplanet transit light curves. While previous methods relied solely on stellar rotational light curves—which contain limited information about spot properties—our approach leverages planetary...

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Bibliographic Details
Main Authors: Sabina Sagynbayeva, Will M. Farr, Brett M. Morris, Rodrigo Luger
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Exoplanet astronomy
Stellar magnetic fields
Surface variability
Astrostatistics
Astrostatistics techniques
Online Access:https://doi.org/10.3847/1538-4357/adf6be
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