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The space missions CoRoT and Kepler have provided photometric data of unprecedented quality for asteroseismology. A very rich oscillation pattern has been discovered for red giants, including mixed modes that are used to decipher the red…

Solar and Stellar Astrophysics · Physics 2016-03-23 M. Vrard , B. Mosser , R. Samadi

We perform a detailed asteroseismic analysis of four red giants observed by Kepler: KIC 9145955, KIC 9970396, KIC 9882316, and KIC 11968334. Our study is based on individual oscillation frequencies, with particular emphasis on…

Solar and Stellar Astrophysics · Physics 2026-04-21 Xinyi Zhang , Tanda Li , Jianxing Chen , Xinghao Chen , Gang Li , Chunqian Li , Shaolan Bi

With the success of the Kepler and CoRoT missions, the number of stars with detected solar-like oscillations has increased by several orders of magnitude, for the first time we are able to perform large-scale ensemble asteroseismology of…

Solar and Stellar Astrophysics · Physics 2015-05-30 Timothy R. White , Timothy R. Bedding , Dennis Stello , Jørgen Christensen-Dalsgaard , Daniel Huber , Hans Kjeldsen

High precision and long-lasting \emph{Kepler} data enabled us to estimate stellar properties with asteroseismology as an accurate tool. We performed asteroseismic analysis on six solar-like stars observed by the \emph{Kepler} mission: KIC…

Solar and Stellar Astrophysics · Physics 2017-05-23 Yaguang Li , Minghao Du , Bohan Xie , Zhijia Tian , Shaolan Bi , Tanda Li , Yaqian Wu , Kang Liu

Asteroseismology is used to infer the interior physics of stars. The \textit{Kepler} and TESS space missions have provided a vast data set of red-giant light curves, which may be used for asteroseismic analysis. These data sets are expected…

Solar and Stellar Astrophysics · Physics 2022-07-22 Siddharth Dhanpal , Othman Benomar , Shravan Hanasoge , Abhisek Kundu , Dattaraj Dhuri , Dipankar Das , Bharat Kaul

Asteroseismology with the space-borne missions CoRoT and Kepler provides a powerful mean of testing the modeling of transport processes in stars. Rotational splittings are currently measured for a large number of red giant stars and can…

Solar and Stellar Astrophysics · Physics 2015-06-12 M. J. Goupil , B. Mosser , J. P. Marques , R. M. Ouazzani , K. Belkacem , Y. Lebreton , R. Samadi

Asteroseismology provides a powerful way to constrain stellar parameters. Solar-like oscillations have been observed on subgiant stars with the \emph{Kepler\/} mission. The continuous and high-precision time series enables us to carry out a…

Solar and Stellar Astrophysics · Physics 2015-07-29 Zhijia Tian , Shaolan Bi , Timothy R. Bedding , Wuming Yang

We have analyzed solar-like oscillations in ~1700 stars observed by the Kepler Mission, spanning from the main-sequence to the red clump. Using evolutionary models, we test asteroseismic scaling relations for the frequency of maximum power…

Red Giant stars host solar-like oscillations which have mixed character, being sensitive to conditions both in the outer convection zone and deep within the interior. The properties of these modes are sensitive to both core rotation and…

The length of the asteroseismic timeseries obtained from the Kepler satellite analysed here span 19 months. Kepler provides the longest continuous timeseries currently available, which calls for a study of the influence of the increased…

Solar and Stellar Astrophysics · Physics 2015-06-05 S. Hekker , Y. Elsworth , B. Mosser , T. Kallinger , W. J. Chaplin , J. De Ridder , R. A. Garcia , D. Stello , B. D. Clarke , J. R. Hall , K. A. Ibrahim

Asteroseismology has started to provide constraints on stellar properties that will be essential to accurately reconstruct the history of the Milky Way. Here we look at the information content in data sets representing current and future…

Solar and Stellar Astrophysics · Physics 2016-10-19 G. R. Davies , A. Miglio

The detection of solar-like oscillations in G and K giants with the CoRoT and Kepler space-based satellites allows robust constraints to be set on the mass and radius of such stars. The availability of these constraints for thousands of…

Solar and Stellar Astrophysics · Physics 2015-05-30 Andrea Miglio

Photometric time series gathered by space telescopes such as CoRoT and Kepler allow to detect solar-like oscillations in red-giant stars and to measure their global seismic constraints, which can be used to infer global stellar properties…

Context: Four open clusters are present in the Kepler field of view and timeseries of nearly a year in length are now available. These timeseries allow us to derive asteroseismic global oscillation parameters of red-giant stars in the three…

Context: The study of stellar structure and evolution depends crucially on accurate stellar parameters. The photometry from space telescopes has provided superb data that allowed asteroseismic characterisation of thousands of stars.…

We analysed solar-like oscillations in 1523 $\textit{Kepler}$ red giants which have previously been misclassified as subgiants, with predicted $\nu_{\rm max}$ values (based on the Kepler Input Catalogue) between 280$\mu$Hz to 700$\mu$Hz. We…

Solar and Stellar Astrophysics · Physics 2016-08-23 Jie Yu , Daniel Huber , Timothy R. Bedding , Dennis Stello , Simon J. Murphy , Maosheng Xiang , Shaolan Bi , Tanda Li

We aim to unravel the interior mixing profile of the pulsating eclipsing binary KIC9850387 by comparing its dynamical parameters and the parameters derived through a combination of evolutionary and asteroseismic modelling. We created a grid…

Solar and Stellar Astrophysics · Physics 2021-04-20 S. Sekaran , A. Tkachenko , C. Johnston , C. Aerts

Scaling relations that link asteroseismic quantities to global stellar properties are important for gaining understanding of the intricate physics that underpins stellar pulsation. The common notion that all stars in an open cluster have…

We present preliminary results on modelling KIC 7693833, the so far most metal-poor red-giant star observed by {\it Kepler}. From time series spanning several months, global oscillation parameters and individual frequencies were obtained…

Solar and Stellar Astrophysics · Physics 2015-06-11 A. Jendreieck , A. Weiss , V. Silva Aguirre , J. Christensen-Dalsgaard , R. Handberg , G. Ruchti , C. Jiang , A. Thygesen

The Kepler space telescope has provided time series of red giants of such unprecedented quality that a detailed asteroseismic analysis becomes possible. For a limited set of about a dozen red giants, the observed oscillation frequencies…

Solar and Stellar Astrophysics · Physics 2017-06-14 Santiago Andrés Triana , Enrico Corsaro , Joris De Ridder , Alfio Bonanno , Fernando Pérez Hernández , Rafael García