Hydrostatic mass estimates of massive galaxy clusters
Wednesday
Abstract details
id
Hydrostatic mass estimates of massive galaxy clusters
Date Submitted
2019-03-15 13:55:45
Francesca
Pearce
University of Manchester
Galaxy Clusters in the next decade
Talk
Francesca Pearce (University of Manchester), Scott Kay (University of Manchester), David Barnes (MIT), Richard Bower (Durham University), Matthieu Schaller (Leiden University)
Using a set of 45 massive galaxy cluster zoom simulations, run with both the EAGLE and BAHAMAS models, we have looked at the effect of changes in the underlying SPH flavours (e.g. increased mixing), and sub-grid physics (e.g. changes in feedback mechanisms) on hydrostatic mass estimates when using mock X-ray data and a proxy for an SZ signal. We have also seen how including the non-thermal pressure in the calculation of mass leads to a less biased result.
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