Asteroseismology and Stellar Activity: Analysis of VIRGO data, Awaiting the PLATO Era

Asteroseismology has been successful in determining fundamental stellar parameters such as mass, radius and age. In this work, we use asteroseismic data analysis to determine active latitudes in stars. We demonstrate the validity of the analysis by applying the method to Sun-as-a-star data from VIRGO and comparing it with full-disk observations of magnetic fields from MDI and HMI. We show that we successfully recover the migration of activity bands over the solar cycle. Such analysis can be applied to the lightcurves from the upcoming PLATO mission for tens of thousands of Sun-like stars.

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2024-12-04
DOI
https://doi.org/10.5281/zenodo.14274257
Primary Topic
Stellar, planetary, and galactic studies
Type
article
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article

Asteroseismology and Stellar Activity: Analysis of VIRGO data, Awaiting the PLATO Era

Zenodo (CERN European Organization for Nuclear Research)
Stellar, planetary, and galactic studies
article

Asteroseismology and Stellar Activity: Analysis of VIRGO data, Awaiting the PLATO Era

article en

Abstract

Asteroseismology has been successful in determining fundamental stellar parameters such as mass, radius and age. In this work, we use asteroseismic data analysis to determine active latitudes in stars. We demonstrate the validity of the analysis by applying the method to Sun-as-a-star data from VIRGO and comparing it with full-disk observations of magnetic fields from MDI and HMI. We show that we successfully recover the migration of activity bands over the solar cycle. Such analysis can be applied to the lightcurves from the upcoming PLATO mission for tens of thousands of Sun-like stars.

Zenodo (CERN European Organization for Nuclear Research)
Max Planck Institute for Solar System Research (DE)
Openalex Percentile: Top 74%
Stellar, planetary, and galactic studies
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