Wang, Zerui
Xue, Rui
Xie, Zhaohua
Du, Leiming
Yi, Tingfeng
Xu, Yunbing
Liu, Wenguang
Funding for this research was provided by:
the Joint Research Fund in Astronomy (11263006, 11463001, U1431123, 10978019)
the Provincial Natural Science Foundation of Yunnan (2013FZ042)
the Yun- nan province education department project (2014Y138, 2016ZZX066)