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SUMMARY:The circumgalactic medium\, a treasure trove of galaxies [Astrophy
 sics Seminar]
DTSTART:20260721T100000Z
DTEND:20260721T110000Z
DTSTAMP:20260715T184500Z
UID:indico-event-447@events.iiap.res.in
CONTACT:colloqm@iiap.res.in
DESCRIPTION:Speakers: Sanskriti Das (Stanford University)\n\nAbstract:The 
 multiphase circumgalactic medium (CGM)\, a reservoir of missing metals\, b
 aryons\, and energy\, plays a key role in our understanding of galaxy evol
 ution. However\, extraordinary observational challenges make it one of the
  least understood components of galaxies. I will show a few snippets of ou
 r recent efforts using multi-wavelength (X-ray to radio) data: 1) Constrai
 ning chemical\, thermal\, and kinematic properties of the hot CGM of our G
 alaxy using novel spectroscopic decomposition coupled with self-consistent
  ionization modeling in X-ray absorption and X-ray emission\, 2) Spectrosc
 opic detection and characterization of the hot CGM of individual spiral ga
 laxies in X-ray absorption and X-ray emission\, 3) Identifying the primary
  determinant of the ionized CGM energetics by stacking millions of galaxie
 s in mm\, and 4) Assessing the mass and kinematics of missing accretion in
  the neutral CGM employing 21-cm emission spectroscopy. I will discuss how
  next-generation missions will bring transformative advances to the field 
 of multiphase CGM by scaling up these studies to statistically complete su
 rveys. \n\nhttps://events.iiap.res.in/event/447/
LOCATION:Auditorium
URL:https://events.iiap.res.in/event/447/
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