Probing the interior physics of stars through asteroseismology

C Aerts - Reviews of Modern Physics, 2021 - APS
Yearslong time series of high-precision brightness measurements have been assembled for
thousands of stars with telescopes operating in space. Such data have allowed astronomers …

Asteroseismology across the Hertzsprung–Russell diagram

DW Kurtz - Annual Review of Astronomy and Astrophysics, 2022 - annualreviews.org
Asteroseismology has grown from its beginnings three decades ago to a mature field
teeming with discoveries and applications. This phenomenal growth has been enabled by …

Interior rotation of a sample of γ Doradus stars from ensemble modelling of their gravity-mode period spacings

T Van Reeth, A Tkachenko, C Aerts - Astronomy & Astrophysics, 2016 - aanda.org
Context. Gamma Doradus stars (hereafter γ Dor stars) are known to exhibit gravity-and/or
gravito-intertial modes that probe the inner stellar region near the convective core boundary …

The Kepler characterization of the variability among A-and F-type stars-I. General overview

K Uytterhoeven, A Moya, A Grigahcène… - Astronomy & …, 2011 - aanda.org
Context. The Kepler spacecraft is providing time series of photometric data with
micromagnitude precision for hundreds of AF type stars. Aims. We present a first general …

Gravity-mode period spacings and near-core rotation rates of 611 γ Doradus stars with Kepler

G Li, T Van Reeth, TR Bedding… - Monthly Notices of …, 2020 - academic.oup.com
We report our survey of γ Dor stars from the 4-yr Kepler mission. These stars pulsate mainly
in g modes and r modes, showing period-spacing patterns in the amplitude spectra. The …

Kepler asteroseismology program: introduction and first results

RL Gilliland, TM Brown… - Publications of the …, 2010 - iopscience.iop.org
Asteroseismology involves probing the interiors of stars and quantifying their global
properties, such as radius and age, through observations of normal modes of oscillation …

Confronting sparse Gaia DR3 photometry with TESS for a sample of around 60 000 OBAF-type pulsators

D Hey, C Aerts - Astronomy & Astrophysics, 2024 - aanda.org
Context. The Gaia mission has delivered hundreds of thousands of variable star light curves
in multiple wavelengths. Recent work demonstrates that these light curves can be used to …

The first view of δ Scuti and γ Doradus stars with the TESS mission

V Antoci, MS Cunha, DM Bowman… - Monthly Notices of …, 2019 - academic.oup.com
We present the first asteroseismic results for δ Scuti and γ Doradus stars observed in
Sectors 1 and 2 of the TESS mission. We utilize the 2-min cadence TESS data for a sample …

Convection-pulsation coupling-II. Excitation and stabilization mechanisms in δ Sct and γ Dor stars

MA Dupret, A Grigahcène, R Garrido, M Gabriel… - Astronomy & …, 2005 - aanda.org
We apply here the Time Dependent Convection (TDC) treatment presented in our earlier
paper in this series to the study of δ Sct and γ Dor pulsating stars. Stabilization of the δ Sct p …

Hybrid γ Doradus–δ Scuti Pulsators: New Insights into the Physics of the Oscillations from Kepler Observations

A Grigahcène, V Antoci, L Balona… - The Astrophysical …, 2010 - iopscience.iop.org
Observations of the pulsations of stars can be used to infer their interior structure and test
theoretical models. The main-sequence γ Doradus (Dor) and δ Scuti (Sct) stars with masses …