Global End-to-End Analysis at All Frequencies

An efficient method to compute beam convolution at the map level

1 Sept 2026, 14:30

15m

Albano Building 3

Speaker

Camille Demay (University of Trento, University of Ferrara)

Description

We present a map-based method for beam convolution using spin-mapmaking, enabling efficient simulation and propagation of systematics from non-ideal beams. Validated against litebird_sim TOD 4π convolution, our approach is significantly faster while retaining numerical precision.