Pulsating components of the eclipsing binaries with long period eccentric orbits

被引:0
|
作者
Yoldas, Ezgi [1 ,2 ]
Dal, Hasan Ali [1 ]
Ozdarcan, Orkun [2 ]
机构
[1] Univ Ege, Ege Univ Observ Applicat & Res Ctr, TR-35100 Izmir, Turkiye
[2] Univ Ege, Dept Astron & Space Sci, TR-35100 Izmir, Turkiye
关键词
Techniques; Photometric; Methods; Data analysis; Binaries; Eclipsing; Stars; Oscillations; HOT GAMMA DORADUS; CATALOG; PERFORMANCE; STARS;
D O I
10.1016/j.newast.2023.102151
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Taking into account the results found by analysing the Kepler data together with our photometric observations, we present new findings about KIC 5217733 and KIC 11671429, which are two highly eccentric detached eclipsing binaries. We estimate that the radii of the primary and secondary components should be, respectively, 5.41 +/- 0.07 R AE and 1.59 +/- 0.07 R AE, while their masses should be 2.59 +/- 0.09 M AE and 1.66 +/- 0.09 M AE for KIC 5217733, whose orbital period is 161.252379 days. In the case of KIC 11671429, whose orbital period is 112.463712 days, the radii of the primary and secondary components are estimated as 3.05 +/- 0.07 R AE and 1.60 +/- 0.11 R AE, and their masses are computed as 1.64 +/- 0.09 M AE and 1.52 +/- 0.14 M AE, respectively. The frequency analyses of the variations at out-of-eclipses reveal that both targets exhibit pulsations. In these pulsations, the g -modes are dominant for KIC 521773, while the p -modes are dominant for KIC 11671429.
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页数:9
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