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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

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

Solar-like oscillating giants observed by the space-borne satellites CoRoT and Kepler can be used as key tracers of stellar populations in the Milky Way. When combined with additional photometric/spectroscopic constraints, the pulsation…

The availability of asteroseismic constraints for a large number of red giants with CoRoT and in the near future with Kepler, paves the way for detailed studies of populations of galactic-disk red giants. We investigate which information on…

Solar and Stellar Astrophysics · Physics 2014-11-20 A. Miglio , J. Montalban , P. Eggenberger , S. Hekker , A. Noels

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 successful launches of the CoRoT and Kepler space missions have led to the detections of solar-like oscillations in large samples of red-giant stars. The large numbers of red giants with observed oscillations make it possible to…

Solar and Stellar Astrophysics · Physics 2011-09-02 S. Hekker , R. L. Gilliland , Sarbani Basu , J. De Ridder , W. J. Chaplin , Y. Elsworth

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.…

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 observational basis for asteroseismology is being dramatically strengthened, through more than two years of data from the CoRoT satellite, the flood of data coming from the Kepler mission and, in the slightly longer term, from dedicated…

Solar and Stellar Astrophysics · Physics 2011-03-28 J. Christensen-Dalsgaard , G. Houdek

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 internal properties of stars in the red-giant phase undergo significant changes on relatively short timescales. Long near-uninterrupted high-precision photometric timeseries observations from dedicated space missions such as CoRoT and…

Solar and Stellar Astrophysics · Physics 2017-06-28 S. Hekker , J. Christensen-Dalsgaard

Of the more than 150000 targets followed by the Kepler Mission, about 10% were selected as red giants. Due to their high scientific value, in particular for Galaxy population studies and stellar structure and evolution, their Kepler light…

Solar and Stellar Astrophysics · Physics 2015-06-12 D. Stello , D. Huber , T. R. Bedding , O. Benomar , L. Bildsten , Y. P. Elsworth , R. L. Gilliland , B. Mosser , B. Paxton , T. R. White

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

The Kepler mission, launched in March 2009, has revolutionized asteroseismology, providing detailed observations of thousands of stars. This has allowed in-depth analysis of stars ranging from compact hot subdwarfs to red giants, and…

Solar and Stellar Astrophysics · Physics 2011-10-25 J. Christensen-Dalsgaard

Context. The availability of asteroseismic constraints for a large sample of red giant stars from the CoRoT and Kepler missions paves the way for various statistical studies of the seismic properties of stellar populations. Aims. We use the…

Since the detection of non-radial solar-like oscillation modes in red giants with the CoRoT satellite, the interest in the asteroseismic properties of red giants and the link with their global properties and internal structure is…

Solar and Stellar Astrophysics · Physics 2015-05-30 J. Montalban , A. Miglio , A. Noels , R. Scuflaire , P. Ventura , F. D'Antona

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

Since the detection of non-radial solar-like oscillation modes in red giants with the CoRoT satellite, the interest in the asteroseismic properties of red giants and the link with their global properties and internal structure is…

Solar and Stellar Astrophysics · Physics 2014-08-22 Josefina Montalbán , Arlette Noels

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

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…

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