Search for the metal-weak thick disk from the LAMOST DR5

T. -S. Yan, J. -R. Shi, H. Tian +2

Based on the data release of the Large Sky Area Multi-Object Fiber Spectroscopic Telescope survey (LAMOST DR5) and the \emph{Gaia} Early Data Release 3 (\emph{Gaia} EDR3), we const…