Author

A. Gkogkou

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Review Open access Oct 2026

JESSNet: Joint dEconvolution and Sparse Separation Network for HI 21 cm foreground cleaning

i 21 cm intensity mapping, here considered over the redshift range z 0.58, particularly in the presence of a chromatic instrumental beam that couples angular foreground structure into the frequency direction. This problem is further complicated by incomplete sky coverage, as expected for realistic Galactic masks and su...

A. Gkogkou, V. Bonjean, Jean-Luc Starck et al. · Astronomy & Astrophysics · 0 citations

Preprint Sep 2026

Non-linear halo bias for accurate modelling of cosmic infrared background anisotropies

Halo models provide the standard framework for interpreting cosmic infrared background (CIB) anisotropies and inferring the connection between dusty star-forming galaxies and their host dark matter halos. Recent studies have shown that inaccuracies in the modelling of halo clustering may bias the inferred parameters go...

B. Jego, M. Béthermin, K. Kraljic et al. · 0 citations