Speaker
Alexander Oestreicher
(U Southern Denmark)
Description
The current generation of telescopes will be able to detect the real-time change of cosmological observables, in particular the change in redshift and position of sources. This will provide direct dynamical insight into the evolution of the universe and its structures, including the first direct evidence of its accelerated expansion. To interpret these extremely precise measurements, it is essential to understand the influence of cosmic structures on these observables. I will present results from fully relativistic N-body simulations, studying these observables directly on the past light cone, including all effects from light propagation and the structures in the universe.