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Related papers: Seismic performance

200 papers

The rapidly increasing volume of asteroseismic observations on solar-type stars has revealed a need for automated analysis tools. The reason for this is not only that individual analyses of single stars are rather time consuming, but more…

Solar and Stellar Astrophysics · Physics 2010-03-23 C. Karoff , T. L. Campante , W. J. Chaplin

Asteroseismic measurements enable inferences of the underlying stellar structure, such as the density and the speed of sound at various points within the interior of the star. This provides an opportunity to test stellar evolution theory by…

Solar and Stellar Astrophysics · Physics 2021-07-30 Earl P. Bellinger , Sarbani Basu , Saskia Hekker , Jørgen Chrisensen-Dalsgaard , Warrick H. Ball

We propose a new kind of seismic diagram, based on the determination of the locations of sharp acoustic features inside a star. We show that by combining the information about the position of the base of the convective envelope or the…

Astrophysics · Physics 2010-12-09 Anwesh Mazumdar

Accurate characterization of stellar populations is of prime importance to correctly understand the formation and evolution process of our Galaxy. The field of asteroseismology has been particularly successful in such an endeavor providing…

Solar and Stellar Astrophysics · Physics 2016-04-20 V. Silva Aguirre , L. Casagrande , A. Miglio

This study develops a robust framework for exoplanet characterization by leveraging asteroseismic constraints on host stars. Using precise photometric data from missions such as \textit{Kepler} and \textit{TESS}, we derive stellar…

Earth and Planetary Astrophysics · Physics 2025-02-27 Wen-Xu Lin , Sheng-Bang Qian , Li-Ying Zhu , Wen-Ping Liao , Fu-Xing Li , Xiang-Dong Shi , Lin-Jia Li , Er-Gang Zhao

Space-based asteroseismology has been playing an important role in the characterization of exoplanet-host stars and their planetary systems. The future looks even brighter, with space missions such as NASA's TESS and ESA's PLATO ready to…

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

Stellar evolution, a fundamental bedrock of modern astrophysics, is driven by the physical processes in stellar interiors. While we understand these processes in general terms, we lack some important ingredients. Seemingly small…

Astrophysics · Physics 2009-11-13 C. Aerts , J. Christensen-Dalsgaard , M. Cunha , D. W. Kurtz

Asteroseismology is a powerful tool to probe the structure of stars. Space-borne instruments like CoRoT, Kepler and TESS have observed the oscillations of numerous stars, among which {\delta} Scutis are particularly interesting owing to…

Solar and Stellar Astrophysics · Physics 2023-10-12 Subrata Kumar Panda , Siddharth Dhanpal , Simon J. Murphy , Shravan Hanasoge , Timothy R. Bedding

Studying the internal structure of exoplanets-host stars compared to that of similar stars without detected planets is particularly important for the understanding of planetary formation. The observed overmetallicity of stars with planets…

We present a new method to obtain stellar properties for stars exhibiting solar-like oscillations in an easy, fast, and transparent way. The method, called Asteroseismology Made Easy (AME), can determine stellar masses, mean-densities,…

Solar and Stellar Astrophysics · Physics 2014-07-02 M. Lundkvist , H. Kjeldsen , V. Silva Aguirre

Asteroseismology involves using the resonant frequencies of a star to infer details about its internal structure and evolutionary state. Oscillation frequencies are most useful when accompanied by accurate measurements of the more…

Astrophysics · Physics 2007-05-23 Timothy R. Bedding

Asteroseismology, i.e. the study of the internal structures of stars via their global oscillations, is a valuable tool to obtain stellar parameters such as mass, radius, surface gravity and mean density. These parameters can be obtained…

Solar and Stellar Astrophysics · Physics 2015-06-16 S. Hekker , Y. Elsworth , S. Basu , A. Mazumdar , V. Silva Aguirre , W. J. Chaplin

Over the past decade asteroseismology has become a powerful method to systematically characterize host stars and dynamical architectures of exoplanet systems. In this contribution I review current key synergies between asteroseismology and…

Earth and Planetary Astrophysics · Physics 2017-11-29 Daniel Huber

Our understanding of stars through asteroseismic data analysis is limited by our ability to take advantage of the huge amount of observed stars provided by space missions such as CoRoT, Kepler, K2, and soon TESS and PLATO. Global seismic…

Solar and Stellar Astrophysics · Physics 2017-11-09 L. Bugnet , R. A. Garcia , G. R. Davies , S. Mathur , E. Corsaro

Asteroseismology, the study of stellar vibrations, is a method which can probe the structure deformation and internal rotation of stars. Salient among the seismic inferences of rotation from TESS observations are TIC 408165734, whose…

Solar and Stellar Astrophysics · Physics 2025-05-20 S. K. Panda , S. Hanasoge

The recent asteroseismic data from the CoRoT and Kepler missions have provided an entirely new basis for investigating stellar properties. This has led to a rapid development in techniques for analysing such data, although it is probably…

Solar and Stellar Astrophysics · Physics 2015-06-12 J. Christensen-Dalsgaard

Low amplitude is the defining characteristic of solar-like oscillations. The space projects $Kepler$ and $CoRoT$ give us a great opportunity to successfully detect such oscillations in numerous targets. Achievements of asteroseismology…

Solar and Stellar Astrophysics · Physics 2015-06-19 M. Yıldız , Z. Çelik Orhan , Ç. Aksoy , S. Ok

Constraining stellar models using asteroseismic and spectroscopic observations is a powerful method for precisely determining the fundamental properties of stars in different kinematic components of our galaxy. We use spectroscopy and…

Solar and Stellar Astrophysics · Physics 2026-03-05 Christopher J. Lindsay , J. M. Joel Ong , Sarbani Basu , Samuel Grunblatt , Marc Hon