2 papers
astro-ph.CO2026
Differentiable Stochastic Halo Occupation Distribution with Galaxy Intrinsic Alignments
Sneh Pandya, Jonathan Blazek
We present diffHOD-IA, a fully differentiable implementation of a halo occupation distribution (HOD) model that incorporates galaxy intrinsic alignments (IA). Motivated by the diff…
astro-ph.CO2025
IAEmu: Learning Galaxy Intrinsic Alignment Correlations
Sneh Pandya, Yuanyuan Yang, Nicholas Van Alfen +2
The intrinsic alignments (IA) of galaxies, a key contaminant in weak lensing analyses, arise from correlations in galaxy shapes driven by tidal interactions and galaxy formation pr…