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Related papers: Asteroseismology of eclipsing binary stars using K…

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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

We present the first results of the application of supervised classification methods to the Kepler Q1 long-cadence light curves of a subsample of 2288 stars measured in the asteroseismology program of the mission. The methods, originally…

We present examples of an extended asteroseismic modelling in which we aim at fitting not only pulsational frequencies but also certain complex parameter related to each frequency. This kind of studies, called \textbf{complex…

Solar and Stellar Astrophysics · Physics 2015-05-14 Jadwiga Daszynska-Daszkiewicz , Przemyslaw Walczak

Continuous and precise space-based photometry has made it possible to measure the orbital frequency modulation of pulsating stars in binary systems with extremely high precision over long time spans. Frequency modulation caused by binary…

Solar and Stellar Astrophysics · Physics 2015-08-19 Hiromoto Shibahashi , Donald W. Kurtz , Simon J. Murphy

The study of stellar oscillations - asteroseismology - has revolutionized our understanding of the physical properties of the Sun, and similar potential for other stars has been demonstrated in recent years. In particular, asteroseismic…

Astrophysics · Physics 2007-05-23 D. Stello , H. Kjeldsen , T. R. Bedding

Asteroseismology allows us to probe the internal structure of stars through their global modes of oscillation. Thanks to missions such as the NASA Kepler space observatory, we now have high-quality asteroseismic data for nearly 100…

Solar and Stellar Astrophysics · Physics 2020-01-15 Earl Patrick Bellinger

The NASA Kepler space telescope has detected solar-like oscillations in several hundreds of single stars, thereby providing a way to determine precise stellar parameters using asteroseismology. In this work, we aim to derive the fundamental…

Solar and Stellar Astrophysics · Physics 2018-09-12 F. Marcadon , T. Appourchaux , J. P. Marques

Hot subdwarf stars are particularly challenging for asteroseismology due to their rapid pulsation periods, intrinsic faintness and relative rarity both in the field and in clusters. These features have ensured that the preferred method of…

Solar and Stellar Astrophysics · Physics 2010-10-18 Roy H. Østensen

We present an extension of the BEER model for eccentric binaries - eBEER, approximating the BEaming, Ellipsoidal and Reflection effects by harmonic series of the Keplerian elements of their orbit. As such, it can be a tool for fast…

Solar and Stellar Astrophysics · Physics 2020-08-12 M. Engel , S. Faigler , S. Shahaf , T. Mazeh

In close eclipsing binaries, measurements of the variations in binary's eclipse timing may be used to infer information about the existence of circumbinary objects. To determine the possibility of the detection of such variations with CoRoT…

Earth and Planetary Astrophysics · Physics 2015-05-27 R. Schwarz , N. Haghighipour , S. Eggl , E. Pilat-Lohinger , B. Funk

The high precision data obtained by the {\it Kepler} satellite allows us to detect hybrid type pulsator candidates more accurately than the data obtained by ground-based observations. In this study, we present preliminary results on the new…

Solar and Stellar Astrophysics · Physics 2017-09-13 C. Ulusoy , I. Stateva , I. Kh. Iliev , B. Ulaş , M. Napetova

The Transiting Exoplanet Survey Satellite (TESS) is conducting a two-year wide-field survey searching for transiting exoplanets around nearby bright stars that will be ideal for follow-up characterization. To facilitate studies of planet…

Earth and Planetary Astrophysics · Physics 2019-05-15 Rachel A. Matson , Steve B. Howell , David Ciardi

High-resolution ground-based optical speckle and near-infrared adaptive optics images are taken to search for stars in close angular proximity to host stars of candidate planets identified by the NASA Kepler Mission. Neighboring stars are a…

Earth and Planetary Astrophysics · Physics 2015-06-23 Mark E. Everett , Thomas Barclay , David R. Ciardi , Elliott P. Horch , Steve B. Howell , Justin R. Crepp , David R. Silva

Asteroseismology of solar-type stars has entered a new era of large surveys with the success of the NASA \textit{Kepler} mission, which is providing exquisite data on oscillations of stars across the Hertzprung-Russell (HR) diagram. From…

Accurately determining the properties of stars is of prime importance for characterizing stellar populations in our Galaxy. The field of asteroseismology has been thought to be particularly successful in such an endeavor for stars in…

We present an overview of pulsating stars in close binaries, focusing on the question what role the dupliticity plays in triggering and/or modifying stellar oscillations and on how it can help us to interpret the oscillatory behaviour of…

Astrophysics · Physics 2007-05-23 Conny Aerts , Petr Harmanec

Eclipsing binaries provide a unique opportunity to determine fundamental stellar properties. In the era of wide-field cameras and all-sky imaging surveys, thousands of eclipsing binaries have been reported through light curve…

Solar and Stellar Astrophysics · Physics 2017-02-22 Chien-Hsiu Lee , Chien-Cheng Lin

The Kepler space mission, successfully launched in March 2009, is providing continuous, high-precision photometry of thousands of stars simultaneously. The uninterrupted time-series of stars of all known pulsation types are a precious…

The open clusters in the Kepler and CoRoT fields potentially provide tight constraints for tests of stellar models and observational methods because they allow a combination of complementary methods. We are in the process of identi- fying…

Solar and Stellar Astrophysics · Physics 2015-06-22 Karsten Brogaard , Eric Sandquist , Jens Jessen-Hansen , Frank Grundahl , Soeren Frandsen