14127 eclipsing binaries in the Galactic Bulge

New times of minimum lights for the CEBs were derived by binary modeling for the full seasonal light curves, which were made from survey observations at an interval of 1yr. The orbital-period changes of the systems were classified based on the statistical inference, multiple-hypothesis testing error measure, and visual inspection of the eclipse-timing diagrams.

As the results, we identified 13716 CEBs with a parabola, 307 CEBs with a sinusoid, and 104 CEBs with the two variations. The period distributions of the inner close binaries and the outer companions were in the ranges of 0.235-0.990days and 5.0-14.0yr, respectively. In our sample of 13820 CEBs showing a parabolic variation, the highest decreasing and increasing period rates were determined to be P=-1.38{+/-}0.06x10^-5^day/yr for OGLE-BLG-ECL-169991 and P=8.99{+/-}0.44x10^-6^day/yr for OGLE-BLG-ECL-189805, respectively.