Astro Coffee SEMINAR: Markus Rau (Argonne National Laboratory)

April 21, 2022 - 2:30pm

Cosmological Inference Under Photometric Redshift Uncertainty: Challenges, Solutions, and everything in between

The treatment of photometric redshift uncertainty, especially in the estimation of redshift distributions of samples of galaxies, is a vital requirement to perform reliable cosmological inference using large area photometric surveys like LSST. I will discuss current challenges in the estimation and calibration of sample redshift distributions, discuss how these biases can affect cosmological inference, and present my research on mitigation strategies. I will then present a research program to facilitate cosmological inference under redshift error in the context of LSST. In the second part of my talk, I discuss sample redshift inference as an inverse problem and provide a practical tutorial on the solution of inverse problems using sample redshift inference as an example. 

Location and Address

Hybrid Event.
321 Allen Hall
Department members, see email for remote access.
Non-department members, contact paugrad@pitt.edu for access or to be added to the weekly newsletter.