Kinematics of red giant and RR Lyrae stars

The kinematics of 122 red giant and 124 RR Lyrae stars in the solar neighborhood are studied using accurate measurements of their proper motions obtained by the Hipparcos...本研究利用依巴谷卫星（Hipparcos）获取的高精度自行测量数据，对太阳邻域内122颗红巨星与124颗天琴座RR型变星的运动学特性展开研究。