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SUMMARY:Modeling the Circumgalactic Medium -  Yakov Faerman (UW  Seattle)
DTSTART:20220916T103000Z
DTEND:20220916T113000Z
UID:TALK179036@talks.cam.ac.uk
CONTACT:Martin Haehnelt
DESCRIPTION:Absorption and emission measurements reveal the existence of e
 xtended multiphase gas around galaxies in the local and high-redshift Univ
 erse. Due to the challenging nature of the observations\, many questions r
 emain open - how much gas is out there\, what are its thermal properties\,
  spatial distribution\, and morphology? These are linked to the properties
  of gas accretion onto galaxies\, star formation\, and feedback processes\
 , and are important for our understanding of galaxy evolution. I will pres
 ent analytic phenomenological models for the circumgalactic medium (CGM) o
 f the Milky Way and other L* galaxies in the low redshift universe. Our mo
 dels allow for non-thermal support and heating by feedback\, and describe 
 the thermal and ionization state of the CGM. They reproduce a wide range o
 f observations\, from the warm/hot virialized phase to the cool\, photoion
 ized gas\, and provide predictions for future UV\, X-ray\, and radio obser
 vations.\n
LOCATION:in person &amp\; via zoom 
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