supported by the National Natural Science Foundation of China (Grants Nos. 11073013 and 11178003);the Foundation of Tsinghua University (Grant No. 2011Z02170);the Major State Basic Research Development Program (Grant No.2009CB824800)
The Tsinghua-NAOC (National Astronomical Observatories of China) Telescope (hereafter, TNT) is an 80-cm Cassegrain reflecting telescope located at the Xinglong Observatory of NAOC, with the main scientific goals o...