Kinematics of local RR lyrae stars. I.
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In order to study the structure and formation history of the galaxy, we have obtained low-to-moderate dispersion spectra of 302 nearby RR Lyrae variables of Bailey type "ab". We...
为研究银河系的结构与形成历史,我们获取了302颗邻近的贝利ab型(Bailey type "ab")天琴座RR型变星(RR Lyrae variables)的低色散至中色散光谱。我们...



