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Astronomy Colloquium - "Cosmic-ray Feedback in the Universe"

Event Type
Seminar/Symposium
Sponsor
Department of Astronomy
Location
https://go.illinois.edu/AstronomyColloquiumVirtualLink
Virtual
wifi event
Date
Dec 7, 2021   3:45 pm  
Speaker
Dr. Karen Yang, National Tsing Hua University
Contact
Rebecca Bare
E-Mail
rsbare@illinois.edu
Phone
217-265-8226
Views
30
Originating Calendar
Astronomy Colloquium Speaker Calendar

Energetic feedback from stars and supermassive black holes (SMBHs) has shown to play critical roles in the formation and evolution of galaxies and clusters. Current state-of-the-art cosmological simulations have been remarkably successful; however, some of the important “microphysics” — physical processes that are unresolvable and not captured by purely hydrodynamic simulations — is still missing. The effects of cosmic rays (CRs) are one of them. In this talk, I will discuss how we could model CRs in numerical simulations, and present results on how CRs can significantly impact the feedback processes across different mass scales, including SMBH jet feedback in clusters, the Fermi bubbles, and the driving of galactic winds. 

Topic: Astronomy Department Colloquium
Time: This is a recurring meeting Meet anytime

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