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