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SUMMARY:Closing the AGN Feedback Loop Through Sub-kiloparsec Scale Gas Kin
 ematics With JWST
DTSTART;VALUE=DATE-TIME:20261028T181500Z
DTEND;VALUE=DATE-TIME:20261028T181600Z
DTSTAMP;VALUE=DATE-TIME:20261027T104441Z
UID:indico-contribution-3689@nyx.physics.mcgill.ca
DESCRIPTION:Speakers: Mathieu Marquis (Université de Montréal)\nUndersta
 nding how supermassive black holes influence the galaxies they inhabit rem
 ains a central challenge in astrophysics. The most massive galaxies in the
  Universe—Brightest Cluster Galaxies at the centers of galaxy clusters
 —offer an exceptional laboratory to study this connection. Immersed in v
 ast reservoirs of hot gas\, their central black holes both accrete surroun
 ding material and release enormous amounts of energy\, profoundly shaping 
 the galaxy and its environment. The nearby Centaurus cluster\, whose centr
 al galaxy is NGC 4696\, provides a unique opportunity to observe this inte
 rplay in action thanks to its proximity and its spectacular network of col
 d gas filaments.\n\nIn this talk\, I will present new JWST/NIRSpec IFU obs
 ervations that\, for the first time\, allow us to follow the entire feedba
 ck cycle linking black holes and galaxies—from gas cooling and condensat
 ion to accretion onto the black hole—across scales ranging from kpc down
  to pc. These observations reveal a rotating circumnuclear disk in NGC 469
 6 that is directly connected to the surrounding cold filament network. Thi
 s structure provides the long-sought missing link that channels gas from k
 pc scales down to ~100 pc and ultimately into the central black hole\, eff
 ectively closing the feedback loop. Comparisons with stellar kinematics fu
 rther show that gas and stars respond very differently to the central grav
 itational potential and to feedback processes. \n\nThese results provide n
 ew insight into how supermassive black holes shape their host galaxies and
  illustrate the transformative power of JWST for resolving the physical pr
 ocesses driving galaxy evolution.\n\nhttps://nyx.physics.mcgill.ca/event/5
 87/contributions/3689/
LOCATION:Online 
URL:https://nyx.physics.mcgill.ca/event/587/contributions/3689/
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