Presented By: Leinweber Institute for Theoretical Physics Cosmology Astrophysics Seminars
Cosmo-Astro Seminar | Semi-analytical covariance matrices for DESI BAO measurements, and more information from tSZ-split clustering
Michael ‘Misha' Rashkovetskyi (Ohio State University)
First, I will present one of the key technical ingredients of the Dark Energy Spectroscopic Instrument (DESI) Baryon Acoustic Oscillation distance measurements — the semi-analytic covariance matrices for the two-point correlation functions of point tracers implemented in the RascalC library. In the second part, I will show clustering of DESI galaxies split by thermal Sunyaev-Zeldovich effect, a novel analysis possibility at the overlap of alternative clustering methods and CMB cross-correlations.
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