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Related papers: Giant star seismology

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The CoRoT and Kepler missions provide us with thousands of red-giant light curves that allow a very precise asteroseismic study of these objects. Before CoRoT and Kepler, the red-giant oscillation patterns remained obscure. Now, these…

Solar and Stellar Astrophysics · Physics 2015-06-11 Benoit Mosser

Seismic data obtained with the space photometric CoRoT and Kepler instruments have led to a unprecendently precise characterization -- in terms of masses and ages -- of a large sample of post main sequence stars (low mass subgiant and red…

Solar and Stellar Astrophysics · Physics 2019-10-22 MarieJo Goupil

The Kepler mission observed many thousands of red giants. The long time series, some as long as the mission itself, have allowed us to study red giants with unprecedented detail. Given that red giants are intrinsically luminous, and hence…

Solar and Stellar Astrophysics · Physics 2020-06-29 Sarbani Basu , Saskia Hekker

Independent of stellar modelling, global seismic parameters of red giants provide unique information on the individual stellar properties as well as on stellar evolution. They allow us to measure key stellar parameters, such as the stellar…

Solar and Stellar Astrophysics · Physics 2016-10-19 Benoit Mosser

The space-borne missions CoRoT and Kepler are indiscreet. With their asteroseismic programs, they tell us what is hidden deep inside the stars. Waves excited just below the stellar surface travel throughout the stellar interior and unveil…

Solar and Stellar Astrophysics · Physics 2013-10-18 B. Mosser , R. Samadi , K. Belkacem

Red-giant stars are low- to intermediate-mass ($M \lesssim 10$~M$_{\odot}$) stars that have exhausted hydrogen in the core. These extended, cool and hence red stars are key targets for stellar evolution studies as well as galactic studies…

Solar and Stellar Astrophysics · Physics 2017-11-29 Saskia Hekker

The space-borne missions CoRoT and Kepler opened up a new opportunity for better understanding stellar evolution by probing stellar interiors with unrivalled high-precision photometric data. Kepler has observed stellar oscillation for four…

Solar and Stellar Astrophysics · Physics 2021-06-16 G. Dréau , B. Mosser , Y. Lebreton , C. Gehan , T. Kallinger

In spite of the great effort made in the last decades to improve our understanding of stellar evolution, significant uncertainties still remain due to our poor knowledge of some complex physical processes that still require an empirical…

Solar and Stellar Astrophysics · Physics 2015-06-12 Alessandro Bressan , Paola Marigo , Leo Girardi , Ambra Nanni , Stefano Rubele

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

Red-giant stars are emerging as one of the most interesting areas of space asteroseismology. Even a relatively basic analysis leads to the determination of the global parameters of the stars, such as their mass and radius, and the very…

Solar and Stellar Astrophysics · Physics 2011-06-30 J. Christensen-Dalsgaard

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…

The clear detection with CoRoT and KEPLER of radial and non-radial solar-like oscillations in many red giants paves the way to seismic inferences on the structure of such stars. We present an overview of the properties of the adiabatic…

Solar and Stellar Astrophysics · Physics 2015-05-19 J. Montalbán , A. Miglio , A. Noels , R. Scuflaire , P. Ventura

The detection of oscillations with a mixed character in subgiants and red giants allows us to probe the physical conditions in their cores. With these mixed modes, we aim at determining seismic markers of stellar evolution. Kepler…

We are entering a golden era for stellar physics driven by satellite and telescope observations of unprecedented quality and scope. New insights on stellar evolution and stellar interiors physics are being made possible by asteroseismology,…

Solar and Stellar Astrophysics · Physics 2015-06-15 William J. Chaplin , Andrea Miglio

The measurement of oscillations excited by surface convection is a powerful method to study the structure and evolution of cool stars. CoRoT and Kepler have initiated a revolution in asteroseismology by detecting oscillations in thousands…

Solar and Stellar Astrophysics · Physics 2014-11-06 Daniel Huber

The impact of rotation on the properties of low-mass stars at different evolutionary stages is first described by discussing the properties of stellar models computed with shellular rotation. The observational constraints that are currently…

Solar and Stellar Astrophysics · Physics 2015-06-22 Patrick Eggenberger

The CoRoT 5-month long observation runs give us the opportunity to analyze a large variety of red-giant stars and to derive fundamental stellar parameters from their asteroseismic properties. We perform an analysis of more than 4\,600 CoRoT…

Solar and Stellar Astrophysics · Physics 2015-05-18 B. Mosser , K. Belkacem , M. J. Goupil , A. Miglio , T. Morel , C. Barban , F. Baudin , S. Hekker , R. Samadi , J. De Ridder , W. Weiss , M. Auvergne , A. Baglin

The clear detection with CoRoT and KEPLER of radial and non-radial solar-like oscillations in many red giants paves the way to seismic inferences on the structure of such stars. We present an overview of the properties of the adiabatic…

Solar and Stellar Astrophysics · Physics 2010-12-21 Josefina Montalban , Andrea Miglio , Arlette Noels , Richard Scuflaire , Paolo Ventura

Asteroseismology has emerged as a powerful tool to unravel the intricate relationships between evolved stars and their planetary systems. In this study, we leverage this technique to investigate the evolutionary stages of five exoplanet…

Earth and Planetary Astrophysics · Physics 2025-01-03 Wen-Xu Lin , Sheng-Bang Qian , Li-Ying Zhu , Wen-Ping Liao , Fu-Xing Li , Xiang-Dong Shi , Lin-Jia Li , Er-Gang Zhao

Clear power excess in a frequency range typical for solar-type oscillations in red giants has been detected in more than 1000 stars, which have been observed during the first 138 days of the science operation of the NASA Kepler satellite.…

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