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Flare activity behaviour of low mass eclipsing binary KOI-7234

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Abstract

In this study, we present the results obtained from the analysis of KOI-7234’s photometric data obtained by the Kepler satellite. For the first time in the literature, the light curve analysis of the system was carried out and it seems that the system was composed of two low mass components with the masses of 0.574 \(M_{\odot}\) and 0.442 \(M_{\odot}\) in radii of 0.598 \(R_{\odot}\) and 0.529 \(R_{\odot}\) with the semi-major axis of 17.390 \(R_{\odot}\). In total, 195 flares have been detected from the short cadence data. Over these parameters, two different OPEA models were obtained for the system, and \(Plateau\) values were calculated as 1.578 ± 0.117 s for the first model and 1.735 ± 0.099 s for the second, while the half-time values were calculated as 1826.87 s and 1138.10 s. The general flare frequency of the system was calculated as 0.02345 \(h^{-1}\).

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Data Availability

Data used in this study were freely downloaded from the Kepler Database http://keplerebs.villanova.edu/ and http://archive.stsci.edu/index.html

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Acknowledgements

We wish to thank the referee for useful comments that have contributed to the improvement of the paper. We also thank the Turkish Scientific and Technical Research Council (TUBITAK) for supporting this work through grant No. 116F213.

Funding

This work was funded by the Turkish Scientific and Technical Research Council (TUBITAK) (Grant number 116F213).

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Dal, H.A., Yoldaş, E. Flare activity behaviour of low mass eclipsing binary KOI-7234. Astrophys Space Sci 368, 43 (2023). https://doi.org/10.1007/s10509-023-04197-z

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  • DOI: https://doi.org/10.1007/s10509-023-04197-z

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