Orateur
Allan Gabriel Schweinfurth Pupo
(Technical University of Munich / Max Planck Institute for Astrophysics)
Description
Strong gravitational lensing serves as a powerful, independent probe for measuring the Hubble constant (H0). We present the framework of time-delay cosmography and its relevance to the ongoing Hubble tension. We present the procedure for end-to-end cosmographical analysis. We then present ongoing mass-modelling efforts for two systems: the quadruply lensed quasar J1537-3010 and Supernova Winny (SN 2025wny). This work establishes the lens models that will be the foundation for future time-delay cosmography with these systems.
Auteur
Allan Gabriel Schweinfurth Pupo
(Technical University of Munich / Max Planck Institute for Astrophysics)