Wine and Cheese Fall 2020

This page records the schedule, titles and abstracts of the JHU/STScI CAS Astrophysics Wine & Cheese Series in Fall 2020.

Wine and Cheese sessions with one speaker will have a 50 minute talk with 10 minutes for questions. Sessions with two speakers will have two 25 minute talks, each with 5 minutes for questions. Sessions in the Graduate Student Series will have three 15 minute talks, each with 5 minutes for questions.

21 September

Jose Luis Bernal Mera (JHU)

Cosmology with Large-Scale Structure Clustering and Implications for Early Dark Energy Models
During the last decade, measurements of the galaxy clustering have become one of the cornerstones for our understanding of the Universe. With next-generation galaxy surveys and the promise of line-intensity mapping experiments, observations will be more precise will probe regimes that have been unexplored so far. In this talk we will review the cosmological information encoded in large-scale structure clustering and discuss the validity and reach of standard measurements. We also will review recent claims of galaxy clustering ruling out early dark energy models as a solution for the Hubble constant tension: although we agree with the results of the analyses performed, we reckon that such results are driven by the choice of prior and potential tensions between different observables, hence concluding that early dark energy is still a viable model and potential solution for the Hubble constant tension.

David Nataf (JHU)

On the Color-Metallicity Relation of the Red Clump and the Reddening Toward the Magellanic Clouds
Abstract