发稿时间:2025-06-20浏览次数:10

USTC Astronomy Seminar Series: 2025 Spring
Multiphase starburst-driven galactic winds in simulations
朱维善  副教授
中山大学
2025/06/26, 4:00pm , the 19th-floor Observatory Hall
报告人:
朱维善 中山大学物理与天文学院副教授,2011年博士毕业于中国科学院紫金山天文台,2011-2013年于南京大学进行博士后研究,2014年进入中山大学工作。主要研究方向:星系宇宙学,计算天体物理,特别是星系际介质,星系周介质,星系重子循环,宇宙网等。
摘要:
Galactic-scale outflows are thought to play a vital role in galaxy formation and evolution by regulating star formation efficiency, redistributing baryons across galaxy–halo scales, and enriching both the circum-galactic and intergalactic medium. However, several key aspects of starburst-driven galactic winds remain poorly understood. In this talk, I will present our work using three-dimensional hydrodynamical simulations to study the recent starburst and the development of multiphase galactic winds in M82. Our simulations successfully reproduce key observed properties of M82, including the stellar mass formed during the recent burst, wind morphology, mass outflow rates, and X-ray emission. We further extend our simulation framework to galaxies at cosmic noon, achieving good agreement with observations.