Journal club
 Radio-loud and Radio-quiet QSOs
 We will have our next Lunch talk at 11:15am Thursday(Dec. 1st) in  the 19th-floor Observatory Hall (天文台报告厅).
 The speaker is Zhen-Yi Cai(蔡振翼). He will discuss the following  topic: 

Radio-loud and Radio-quiet QSOs

 You are welcome to join the discussion, we start to provide lunch  since this week :)
 Please sign up for boxed food via  WeChat (Journal Club group) or   Doodle (https://doodle.com/poll/6ugz28w7sww3fte6)  before Wednesday  3:00 PM.
 The boxed food from canteen contains two meat dishes and two vegetable  dishes by default, please add a * after your name if you want a vegetarian  meal.
 Those who sign up but don't attend should pay ￥20 for future academic  activities.