Université de GenèveDépartement de Physique ThéoriqueCAP Genève

Mapping the kinematics of the Universe through standard candles and redshift drift

15. October 2021 - 11:30
Asta Heinesen (École normale supérieure de Lyon)
Abstract: Cosmological data is typically analyzed under the model assumptions of exact spatial homogeneity and isotropy in the space-time description of our Universe. However, such symmetries are in reality broken due to the presence of cosmic structure. I will present cosmographic strategies for inferring properties of the Universe without making assumptions about the metric of space-time or the field equations prescribing it. I will discuss standardizable objects and redshift drift signals as model-independent probes of the kinematics of our Universe. The developed frameworks allow for consistent analyses of anisotropic features in cosmological data.


Département de Physique Théorique
Université de Genève
24, quai Ernest Ansermet
1211 Genève 4
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