The tumultuous evolution of a galaxy cluster captured close to its emergence from the cosmic web
| Main Author: | Andreon, S. et al. |
|---|---|
| Format: | info Proceeding Journal |
| Bahasa: | eng |
| Terbitan: |
, 2021
|
| Online Access: |
https://zenodo.org/record/4963895 |
Daftar Isi:
- I will present the resolved thermodynamic of the most distant cluster for which such a measurement has ever been performed, IDCSJ1426 at z=1.75, which turned out also to be the more precise measurement for every high redshift cluster thanks to our joint use of both X-ray and SZ data. Profiting of the largest ever redshift baseline, I determined the evolution of the thermodynamic profiles of this cluster down to z=0.07, our reference local comparison sample, with unprecedent precision over a 10 Gyr baseline. In the talk, I will also introduce a new definition of the evolutionary rate to effectively compare ancestors and descendants. It turned out to have the advantage of separating cluster evolution, dependence on mass, pseudo-evolution and to return a number with unique interpretation, unlike other definitions.