Mira variables light curves

Good distance indicators are needed in studies of the galactic structure. Pulsating variables can be used, but the problem is to find a homogeneous sample obeying a...银河结构研究中亟需优良的距离指示器。脉动变星（pulsating variables）可用于相关研究，但当前的问题在于获取服从某一……的均匀样本。