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SUMMARY:Nuclear Star Cluster and Black-Hole Activity in AGNs
DTSTART;VALUE=DATE-TIME:20260401T060000Z
DTEND;VALUE=DATE-TIME:20260401T070000Z
DTSTAMP;VALUE=DATE-TIME:20260407T144400Z
UID:indico-event-4871@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Qingwen Wu\n\nHost: Zhen PanLocation: Open Area (4F-
 SW)Join Tencent Meeting：https://meeting.tencent.com/dm/Yvn6DOdzYnrzMeeti
 ng ID: 324859508 (no password）Abstract:The discovery of young stars wit
 hin the central parsec of the Milky Way\, together with the supersolar met
 allicities observed in the broad-line regions of active galactic nuclei (A
 GN)\, points to vigorous star formation and evolution in the immediate vic
 inity of supermassive black holes (SMBHs). The interplay between these ste
 llar populations and the central black hole in such dense nuclear environm
 ents can trigger a rich variety of time-domain and multi-messenger phenome
 na\, including tidal disruption events (TDEs)\, changing-look AGN\, extrem
 e mass-ratio inspirals (EMRIs)\, and mergers of massive stellar-mass binar
 y black holes. These processes provide unique insights into the nuclear en
 vironment and hold the key to understanding the co-evolution of galaxies a
 nd their central SMBHs. Moreover\, recent JWST observations have revealed 
 a population of high-redshift compact galaxies—such as the "little red d
 ots"—whose sizes and stellar densities closely resemble those of nuclear
  star clusters in the local Universe. I will also present a novel model ai
 med at explaining the peculiar properties of these intriguing objects.Biog
 raphy:Qingwen Wu is now a Professor in the Department of Astronomy at Huaz
 hong University of Science and Technology. His primary research interests 
 include: AGN and black hole accretion/jet physics\, the environments of ga
 lactic nuclei and multi-messenger astronomy\, and the co-evolution of gala
 xies and their central black holes.\n\nhttps://indico-tdli.sjtu.edu.cn/eve
 nt/4871/
LOCATION:Tsung-Dao Lee Institute/S4F-SW - Open Area (Tsung-Dao Lee Institu
 te)
URL:https://indico-tdli.sjtu.edu.cn/event/4871/
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