Recent developments in Cosmology
Abstract
I will review the main relevant observations on which the currently favorable cosmological model (LCDM) is based (Hubble diagram of SNIa, CMB temperature fluctuations, Galaxy clustering, etc). Some emphasis will be given in the recent Planck satellite CMB results, which further supports the model but also open new issues. Then the work of our research group will be presented, regarding: (a) the potential of a novel and alternative high-z tracer of the Hubble expansion to be used to constrain the Dark Energy equation of state parameter and our recent related results on the Hubble constant. (b) The cosmological use of high-z X-ray AGN and current cosmological constraints from its use. (c) The cluster number count expectations from future experiments (eROSITA and SPT) within a grid of Dark Energy models. Finally, I will attempt to highlight the open issues and avenues for their possible solution.
- Publication:
-
11th Hellenic Astronomical Conference
- Pub Date:
- September 2013
- Bibcode:
- 2013hell.conf....4P