Bulletin of the American Physical Society
2024 APS April Meeting
Wednesday–Saturday, April 3–6, 2024; Sacramento & Virtual
Session E00: Poster Session I & Welcome Reception (5:30PM - 7:30PM PT)
5:30 PM,
Wednesday, April 3, 2024
SAFE Credit Union Convention Center
Room: Exhibit Hall A, Floor 1
Sponsoring
Unit:
APS
Abstract: E00.00038 : The Circumgalactic Medium by High Performance Computation: AGORA project VI*
Presenter:
Chris Hays
(Reed College)
Authors:
John W Powell
(Reed College)
Chris Hays
(Reed College)
Clayton Strawn
(University of California, Santa Cruz)
Thomas Quinn
(University of Washington)
Hector Velazquez
(Universidad Nacional Autónoma de México)
Collaboration:
AGORA project
interaction of gravity and hydrodynamics and include sophisticated
models of sub-grid phyics, i.e., physics below the resolution of the
simulation. Hence determining the robustness of their results is
difficult. The Assembling Galaxies of Resolved Anatomy (AGORA)
project aims to address this difficulty by comparing the results of a
variety of independently developed codes run on common problems. Here
we present in-preparation results from this project regarding the
properties of the Circumgalactic Medium (CGM), highlighting
contributions from the N-body hydrodynamic code, ChaNGa. The CGM
properties of interest are the ionization levels of atoms and metal
distribution, in addition to others. In contrast to previous AGORA
projects (e.g. S. Roca-Fabrega, et al., ApJ, 971, 64 (2021)), the
parameters for the supernova feedback subgrid model were left to the
individual codes, making this project fascinating for the diversity of
CGM results we present.
*JWP would like to acknowledge an ACCESS grant: project AST200020
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