Directional stacking signals are reconstructed without information loss as cross-power spectra between the target field and the E/B modes of the spin field weighted by galaxy density.
Alonso, Pseudo- Cℓs for spin- s fields with component-wise weighting, The Open Journal of Astro- physics8, 53 (2025), arXiv:2410.07077 [astro-ph.CO]
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Dipoles for everyone: the pseudo-$C_\ell$ approach to directional stacking
Directional stacking signals are reconstructed without information loss as cross-power spectra between the target field and the E/B modes of the spin field weighted by galaxy density.