The Hot Universe: from Cosmological Filaments to Clusters
Abstract
We will review how X-ray measurements can show us fundamental processes of the structure formation in the Universe. Groups and clusters are key objects, and their thermal and chemical properties at various redshifts to be measured with Athena will tell us how these systems have been formed and grown over the cosmological time scale. Regions surrounding and connecting clusters are the active front of these evolution processes, and the high spectral resolution of Athena will show us their spatial and thermal structures through measurement of X-ray emission lines. The spectroscopy data will also show us the dynamics and non-thermal features of the gas, enabling us to look into how the whole energy is distributed among different forms.
- Publication:
-
Exploring the Hot and Energetic Universe: The first scientific conference dedicated to the Athena X-ray observatory
- Pub Date:
- September 2015
- Bibcode:
- 2015eheu.conf...11O