Short Time-Scale Variability in the Light Curve of TW Draconis

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Authors

ZEJDA Miloslav MIKULÁŠEK Zdeněk WOLF Marek PEJCHA Ondřej

Year of publication 2005
Type Article in Proceedings
Conference WDS'05 Proceedings of Contributed Papers, Part III
MU Faculty or unit

Faculty of Science

Citation
Field Astronomy and astrophysics
Keywords eclipsing binary; TW Dra; oscillation; pulsation
Description The short periodic light changes were detected in the light curve of the eclipsing binary TW Dra by Kusakin et al. (2001) and later confirmed by Kim et al. (2003). We have re-analysed old photometric UBV data obtained by Papoušek et al. at Skalnaté Pleso, Slovakia (1967-1980) and Brno, Czech Republic (1976-9) observatories and analysed new own CCD measurements (Brno, 2003-2005). In both set of data the oscillations were found. Both detected periods are in good agreement with the previously published results.
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