15-20 March 2020
Europe/Berlin timezone

ICM physics: how to use clusters for cosmology

17 Mar 2020, 09:00


Oral Presentation Clusters and Cosmology I


Prof. Daisuke Nagai (Yale University)


eROSITA mission will soon produce an unprecedented number of galaxy clusters, which in turn should help improve X-ray based cosmological measurements. However, in order to use the eROSITA data for precision cosmology, we must improve our understanding of the physics of X-ray emitting intracluster medium (ICM) and develop techniques to control associated systematic uncertainties in cluster mass estimates. In this work, I will discuss (1) recent advances in our understanding of ICM physics and cluster mass estimation based on hydrodynamical simulations and X-ray and microwave observations and (2) strategies to improve both cluster astrophysics and cosmology using the forthcoming eROSITA data.

Presenter status Invited speaker

Primary author

Prof. Daisuke Nagai (Yale University)

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