From Observations to Supernova Cosmology

par Anais Moller (CNRS / LPC Clermont)

vendredi 13 sept. 2019, 14:30 → 16:30 Europe/Paris

Amphi-Recherche (LPC)

In my talk as a new member of LPC, I will provide a panorama on how cosmological constraints are obtained using observations of supernovae. From observations to analysis, I will present current  surveys constraining the nature of Dark Energy using type Ia supernovae such as the Dark Energy Survey and the challenges we are facing. With LSST starting observations in the next years, we are entering into the 4th generation of supernova surveys. To fully exploit this brand new survey and improve our constraints on one of the biggest mysteries in our Universe, the nature of Dark Energy, we are constructing new analysis methods and samples. In this talk you will learn how observations are done, how a Hubble diagram is constructed and how we use it to constrain the nature of Dark Energy. Furthermore, I will present current and upcoming analysis methods with a special emphasis on the role of machine learning in supernova cosmology.

(This talk will be accessible for all science backgrounds)

 

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