Author

L. Wolz

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Preprint Oct 2026

Towards constraining cosmology with HI--galaxy cross-correlations from MeerKLASS

We present an inference of cosmological parameters from the cross-correlation power spectrum between the MeerKLASS 2019 L-band HI intensity maps and the overlapping WiggleZ galaxies at $z \simeq 0.43$. The analysis is intended as a proof of concept to verify that the full pipeline, from the foreground cleaning of the m...

G. Autieri, M. Spinelli, Z. Chen et al. · 0 citations

Preprint Sep 2026

Generalised Visibility ILC: a new foreground mitigation strategy for interferometric HI intensity mapping in the low-redshift Universe

HI intensity mapping is a powerful probe of the large-scale matter distribution and of the underlying astrophysics and cosmology. However, its application is limited by the challenge of separating the faint neutral hydrogen (HI) signal from much brighter foreground emission. We present a new non-parametric foreground-c...

M. Ruiz-Granda, A. Mazumder, L. Wolz et al. · 0 citations