OGLE2 Mira variables in the Galactic bulge

We have extracted a total of 1968 Mira variables from the Optical Gravitational Lensing Experiment II (OGLE-II) data base in the Galactic bulge region. Among them, 1960 are...我们从银河核球区域的光学引力透镜实验二期（Optical Gravitational Lensing Experiment II, OGLE-II）数据库中共提取得到1968颗米拉变星（Mira variables）。其中1960颗为……