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SUMMARY: Halo gas thermodynamics from the CMB: results from the Atacama Co
 smology Telescope DR5 - Stefania Amodeo (Cornell University)
DTSTART:20210201T150000Z
DTEND:20210201T160000Z
UID:TALK154765@talks.cam.ac.uk
CONTACT:Sunny Vagnozzi
DESCRIPTION:The thermodynamic properties of the ionized baryons in galaxie
 s\, groups\, and clusters encode the effects of the assembly history and f
 eedback processes that shape galaxy and cluster formation. These propertie
 s can be studied through the thermal and kinematic Sunyaev-Zel’dovich (S
 Z) effects imprinted on high resolution maps of the cosmic microwave backg
 round. Using new SZ results from the Atacama Cosmology Telescope DR5 and P
 lanck in combination with the CMASS galaxy catalogs from the Baryon Oscill
 ation Spectroscopic Survey\, we achieve high signal-to-noise measurements 
 of the electron density\, temperature and pressure distribution around the
  CMASS galaxies that we use to constrain the energy injected via feedback 
 and the non-thermal pressure support\, we estimate the effect of including
  baryons in the modeling of galaxy-galaxy lensing measurements\, and we fi
 nd interesting tensions with cosmological simulations. 
LOCATION:CMS\, Pav. B\, CTC Common Room (B1.19) [Potter Room]
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