The Guoshoujing Telescope (the Large Sky Area Multi-Object Fiber Spectroscopic Telescope, LAMOST) is a National Major Scientific Project built by the Chinese Academy of Sciences;provided by the National Development and Reform Commission;National Astronomical Observatories, Chinese Academy of Sciences;supported by grants 11273007 and 10933002 from the National Natural Science Foundation of China;the Joint Research Fund in Astronomy (U1631236) under cooperative agreement between the National Natural Science Foundation of China (NSFC) and Chinese Academy of Sciences (CAS);the Fundamental Research Funds for the Central Universities;Youth Scholars Program of Beijing Normal University
Main sequence turn-off (MSTO) stars since their ages can be robustly estimated from have advantages as indicators of Galactic evolution atmospheric parameters. Hundreds of thousands of MSTO stars have been selected ...
supported by the National Key Basic Research Program of China (2014CB845700);supported by the National Natural Science Foundation of China (Grant No.11473001);B.Q.C acknowledges partial funding from the China Postdoctoral Science Foundation (2014M560843)
Accurate measurements of stellar metallicity gradients in the radial and vertical directions of the disk and their temporal variations provide important constraints on the formation and evolution of the Milky Way disk...