SHORT APSIDAL PERIOD OF THREE ECCENTRIC ECLIPSING BINARIES DISCOVERED IN THE LARGE MAGELLANIC CLOUD
作者： Kyeongsoo Hong , Chung-Uk Lee , Seung-Lee Kim , Young-Woon Kang
DOI: 10.1088/0004-6256/147/6/151
关键词: Visible radiation 、 Light curve 、 Long period 、 Astronomy 、 Large Magellanic Cloud 、 Eclipse 、 Stars 、 Physics 、 Astrophysics 、 Binary star 、 Apsidal precession
摘要: We present new elements of apsidal motion in three eccentric eclipsing binaries located the Large Magellanic Cloud. The motions systems were analyzed using both light curves and eclipse timings. OGLE-III data obtained during long period 8 yr (2002-2009) allowed us to determine from their analyses. existence third all selected was investigated by curve analysis. O – C diagrams EROS 1018, 1041, 1054 30, 44, 26 times minimum light, respectively, determined full constructed EROS, MACHO, OGLE-II, OGLE-III, our own observations. This enabled a detailed study these for first time. All have significant below 100 yr. In particular, 1018 shows very fast 19.9 ± 2.2 detached system.
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