The Double Blue Straggler Sequence in NGC 2173: A Field Contamination Artifact?

作     者：Chengyuan Li Licai Deng Richard de Grijs Dengkai Jiang Yu Xin 

作者机构：Department of Physics and Astronomy Macquarie University Balaclava Road Sydney NSW 2109 Australia Department of Astronomy China West Normal University Nanchong 637002 People's Republic of China School of Astronomy and Space Science University of the Chinese Academy of Sciences 20A Datun Road Beijing 100012 People's Republic of China International Space Science Institute—Beijing 1 Nanertiao Zhongguancun Beijing 100190 People's Republic of China Yunnan Observatories Chinese Academy of Sciences Kunming 650216 People's Republic of China Key Laboratory for the Structure and Evolution of Celestial Objects Chinese Academy of Sciences Kunming 650011 People's Republic of China Center for Astronomical Mega-Science Chinese Academy of Sciences Beijing 100012 People's Republic of China 

出 版 物：《Research Notes of the AAS》 

年 卷 期：2018年第2卷第4期

主　　题：blue stragglers galaxies: star clusters: individual (NGC 2173) Hertzsprung–Russell and C–M diagrams