Variability of A- and F-stars from Kepler : J/A+A/534/A125

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Authors : Uytterhoeven K. orcid , Moya A., Grigahcene A. (hide) , Moya A., Grigahcene A. et..al

VizieR DOI : https://doi.org/10.26093/cds/vizier.35340125
Bibcode : 2011A&A...534A.125U (ADS) (Simbad) (Objects)
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CDS Keywords : Stars, variable; Stars, A-type; Stars, F-type; Photometry; Binaries, eclipsing; Effective temperatures
UAT : Variable stars, A stars, F stars, Photometry, Eclipsing binary stars, Effective temperature

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Inserted into VizieR : 27-Dec-2011
Last modification : 04-Jul-2017

The Kepler characterization of the variability among A- and F-type stars. I. General overview (2011)

Keywords : stars oscillations - stars: fundamental parameters - binaries: general - asteroseismology - stars: variables: delta Scuti - stars: statistics

Abstract:The Kepler spacecraft is providing time series of photometric data with micromagnitude precision for hundreds of A-F type stars. We present a first general characterization of the pulsational behaviour of A-F type stars as observed in the Kepler light curves of a sample of 750 candidate A-F type stars, and observationally investigate the relation between {gamma} Doradus ({gamma} Dor), {delta} Scuti ({delta} Sct), and hybrid stars. ...(more)
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Astronomy and Astrophysics policies
We compile a database of physical parameters for the sample stars from the literature and new ground-based observations. We analyse the Kepler light curve of each star and extract the pulsational frequencies using different frequency analysis methods. We construct two new observables, 'energy' and 'efficiency', related to the driving energy of the pulsation mode and the convective efficiency of the outer convective zone, respectively.
Katrien Uytterhoeven, katrien(at)iac.es

                


                

                    

                


                

                    

                


                

                    
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