Our Lunch Talk of this week will be given by Dr. Zhicheng He(何志成) at 11:00AM Thursday(Apr. 4th) in the 19th-floor Observatory Hall (天文台报告厅).

The title of the talk is“The line-locking phenomenon in BAL outflow."

Reference articles:

1. http://adsabs.harvard.edu/abs/1996ApJ...465..617A

2. https://arxiv.org/abs/1408.5808

3. https://arxiv.org/abs/1808.03140v1

4. https://arxiv.org/abs/1902.04085

Dr. He is an associate research fellow of our department.