Our first talk for the Journal club will be given by Guangwen  Chen ( 陈广文) at 7PM Tuesday (Oct. 30th) in the 19th-floor Observatory Hall (天文台报告厅).  The topic  will be “The numerical study for  galactic interaction”,  and the title is “Ring Galaxies Through Off-center Minor  Collisions by Tuning Bulge-to-disk Mass Ratio of  Progenitors”.

Guangwen Chen is  a PhD student in USTC, and  his work has been published in ApJ (http://adsabs.harvard.edu/abs/2018ApJ...864...72C),  and recommend by AAS. The USTC News  also reported this work ( https://astro.ustc.edu.cn/2018/1015/c14953a341694/page.htm   ).

Welcome your coming and discussion!  We  will provide snacks and tea/coffee.