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SUMMARY:Resolving the impact of outflows and small-scale structure in the 
 CGM with TNG50 - Dylan Nelson\, Institute for Theoretical Astrophysics\, H
 eidelberg
DTSTART:20210507T103000Z
DTEND:20210507T113000Z
UID:TALK158089@talks.cam.ac.uk
CONTACT:Ricarda Beckmann
DESCRIPTION:I will discuss our investigations into galaxy evolution\, gala
 ctic-scale outflows\, and the circumgalactic medium in the IllustrisTNG ma
 gnetohydrodynamical cosmological simulations. I will show how outflows scu
 lpt the surrounding CGM\, imprinting observable signatures in the gas\, as
  well as in nearby satellite galaxy populations. I will highlight recent r
 esults from the high-resolution TNG50 simulation\, which provides a unique
  look at the small-scale structure of cold\, circumgalactic gas. In partic
 ular\, I will show how this simulation produces a large abundance of small
 \, cool gas clouds in galactic atmospheres. These clouds are found surroun
 ding massive\, quenched galaxies with high covering fraction out to large 
 distances -- the physics of their formation and survival is linked to ther
 mal instability and the ideas of  'tcool/tff'\, 'precipitation' and 'cond
 ensation' and may depend upon the role of magnetic fields in the CGM.
LOCATION:via zoom 
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