中国科学院云南天文台学术报告通知

2026年第22期

报告题目：Tracing Black Hole–Disk–Jet Coupling in M87 with Multi-scale VLBI Monitoring

报告人：崔玉竹 研究员

报告人单位：华中师范大学

报告语言：中文

报告时间：2026年4月21日（星期二）10:30-12:00

报告地点：科研3号楼1楼会议室

报告摘要：

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M87 hosts the nearest supermassive black hole launching a powerful relativistic jet, making it an ideal laboratory for probing accretion and jet physics with VLBI from event-horizon to parsec scales. Over the past two decades, high-resolution observations have revealed pronounced structural variability in the M87 system, including geometric changes in the inner jet and evolution of jet morphology across milliarcsecond scales. In this talk, I will present recent progress from multi-scale VLBI monitoring of M87, highlighting how long-term observations enable us to connect microarcsecond-scale structures near the black hole to the milliarcsecond-scale jet evolution. By linking variability across these scales, we can investigate the physical coupling between the black hole spin, accretion flow, and jet geometry, and assess how time-dependent processes imprint on the observed jet structure. I will conclude with prospects for future coordinated multi-frequency VLBI campaigns and time-domain strategies, and discuss how M87 can serve as a benchmark source for understanding black hole–driven jets in nearby AGN.

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报告人简介：

Dr. Yuzhu Cui is a researcher at Central China Normal University. She received her Ph.D. from the National Astronomical Observatory of Japan in 2021 Dec. and subsequently held postdoctoral positions at the Tsung-Dao Lee Institute and Zhejiang Lab. Her research focuses on supermassive black holes, AGN jets, and time-domain VLBI studies. She has been a member of the Event Horizon Telescope collaboration since 2017 and has led long-term VLBI monitoring of M87 with the East Asian VLBI Network (EAVN), specializing in high-resolution imaging and jet kinematics.

云台邀请方：南方天文观测基地

邀请方联系人：卢开兴