College of Science China Three Gorges University Yichang 443002 China;
College of Science China Three Gorges University Yichang 443002 China;
College of Science China Three Gorges University Yichang 443002 China;
College of Science China Three Gorges University Yichang 443002 China;
Yunnan Observatories Chinese Academy of Sciences Kunming 650216 China;