English
Related papers

Related papers: Oscillation frequencies for 35 \Kepler solar-type …

200 papers

The simultaneous presence of variability due to both pulsations and binarity is no rare phenomenon. Unfortunately, the complexities of dealing with even one of these sources of variability individually means that the other signal is often…

Solar and Stellar Astrophysics · Physics 2018-10-17 C. Johnston , A. Tkachenko , C. Aerts , G. Molenberghs , D. M. Bowman , M. G. Pedersen , B. Buysschaert , P. I. Papics

Context: The detection and identification of oscillation modes (in terms of their $\ell$, $m$ and successive $n$) is a great challenge for present and future asteroseismic space missions. The "peak tagging" is an important step in the…

Astrophysics · Physics 2009-11-11 P. Lambert , S. Pires , J. Ballot , R. A. Garcia , J. -L. Starck , S. Turck-Chieze

The advent of space-based photometry missions in the early 21st century enabled the application to asteroseismic data of advanced inference techniques until then restricted to the field of helioseismology. The high quality of the…

Solar and Stellar Astrophysics · Physics 2022-06-24 Gaël Buldgen , Jérôme Bétrisey , Ian W. Roxburgh , Sergei V. Vorontsov , Daniel R. Reese

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

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 space photometry with precision $10-100$ times better than ground-based…

Solar and Stellar Astrophysics · Physics 2022-02-11 Donald Kurtz

Data from the Kepler satellite (Q0-Q11) are used to study HAT-P-7. The satellite's data are extremely valuable for asteroseismic studies of stars and for observing planetary transits; in this work we do both. An asteroseismic study of the…

Solar and Stellar Astrophysics · Physics 2014-05-26 Vincent Van Eylen , Hans Kjeldsen , Joergen Christensen-Dalsgaard , Conny Aerts

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

Red giant stars are solar-like pulsators presenting mixed-modes. Such modes consist in a coupling between pressure waves propagating in the external convective envelope and gravity waves propagating in the radiative interior. Therefore, the…

Solar and Stellar Astrophysics · Physics 2017-10-17 Charlotte Gehan , Benoît Mosser , Eric Michel

Asteroseismology of solar-type stars is an important tool for constraining stellar parameters and internal structure. Several frequency combinations are largely used for comparisons between models and observations. In particular, the…

Astrophysics · Physics 2009-11-13 M. Soriano , S. Vauclair

Comparing models and data of pulsating stars is a powerful way to understand the stellar structure better.\beta Hyi is an evolved solar-type pulsator with mixed modes in its frequency spectrum, making it very interesting for asteroseismic…

Solar and Stellar Astrophysics · Physics 2015-05-20 I. M. Brandão , G. Dogan , J. Christensen-Dalsgaard , M. S. Cunha , T. R. Bedding , T. S. Metcalfe , H. Kjeldsen , H. Bruntt , T. Arentoft

The Kepler mission is providing photometric data of exquisite quality for the asteroseismic study of different classes of pulsating stars. These analyses place particular demands on the pre-processing of the data, over a range of timescales…

Exoplanet properties crucially depend on their host stars' parameters. In case the exoplanet host star shows pulsations, asteroseismology can be used for an improved description of the stellar parameters. We aim to revisit the pulsational…

Since few decades, asteroseismology, the study of stellar oscillations, enables us to probe the interiors of stars with great precision. It allows stringent tests of stellar models and can provide accurate radii, masses and ages for…

Solar and Stellar Astrophysics · Physics 2015-06-03 O. Benomar , T. R. Bedding , D. Stello , S. Deheuvels , T. R. White , J. Christensen-Dalsgaard

The recent launch of the Kepler space telescope brings the opportunity to study oscillations systematically in large numbers of solar-like stars. In the framework of the asteroFLAG project, we have developed an automated pipeline to…

Statistical studies of exoplanets and the properties of their host stars have been critical to informing models of planet formation. Numerous trends have arisen in particular from the rich Kepler dataset, including that exoplanets are more…

Earth and Planetary Astrophysics · Physics 2021-02-04 Jonah T. Hansen , Luca Casagrande , Michael J. Ireland , Jane Lin

Accurately measuring stellar ages and internal structures is challenging, but the inclusion of asteroseismic observables can substantially improve precision. However, the curse of dimensionality means this comes at a high computational cost…

Thanks to their high quality, new and upcoming asteroseismic observations - with CoRoT, Kepler, and from the ground... - can benefit from the experience gained with helioseismology. We focus in this paper on solar-like oscillations, for…

Astrophysics · Physics 2008-04-02 J. Ballot , T. Appourchaux , T. Toutain , M. Guittet

Until the last few decades, investigations of stellar interiors had been restricted to theoretical studies only constrained by observations of their global properties and external characteristics. However, in the last thirty years the field…

Solar and Stellar Astrophysics · Physics 2019-07-01 R. A. Garcia , J. Ballot

Due to its unique long-term coverage and high photometric precision, observations from the Kepler asteroseismic investigation will provide us with the possibility to sound stellar cycles in a number of solar-type stars with…

Solar and Stellar Astrophysics · Physics 2015-05-14 C. Karoff , T. S. Metcalfe , W. J. Chaplin , S. Frandsen , F. Grundahl , H. Kjeldsen , D. Buzasi , T. Arentoft , J. Christensen-Dalsgaard

We examine Kepler light curve variability on habitable zone transit timescales for a large uniform sample of spectroscopically studied Kepler exoplanet host stars. The stars, taken from Everett et al. (2013) are solar-like in their…

Solar and Stellar Astrophysics · Physics 2016-02-17 Steve B. Howell , David R. Ciardi , Mark S. Giampapa , Mark E. Everett , David R. Silva , Paula Szkody