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20242026
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astro-ph.GA2026

DINGO/GAMA /WAVES: HI-halo mass relation

Ajay Dev, Martin Meyer, Simon P. Driver +17

We investigate the relation between neutral atomic hydrogen (HI) and dark matter halo mass (HIHM) using observations from the Deep Investigation of Neutral Gas Origins (DINGO) pilo…

astro-ph.GA2025

SAGAN-VI: When Jets Meet Filaments -- Environmental Imprints on the Growth of Giant Radio Galaxies

Mousumi Mahato, Elmo Tempel, Shishir Sankhyayan +2

Giant radio galaxies (GRGs) represent the largest individual astrophysical structures, rivalling galaxy clusters in physical extent. Understanding how they attain such scales deman…

astro-ph.GA2025

The COSMOS-Web deep galaxy group catalog up to

Greta Toni, Ghassem Gozaliasl, Matteo Maturi +41

Galaxy groups with and up to a few tens of members are the most common galaxy environment, marking the transition between field and massive clu…

astro-ph.GA2025

CHANCES, the Chilean Cluster Galaxy Evolution Survey: Selection and initial characterisation of clusters and superclusters

Cristóbal Sifón, Alexis Finoguenov, Christopher P. Haines +43

CHANCES, the CHileAN Cluster galaxy Evolution Survey, will study the evolution of galaxies in and around 100 massive galaxy clusters from the local Universe out to , and…

astro-ph.GA2024

Wide Area VISTA Extra-galactic Survey (WAVES): Unsupervised star-galaxy separation on the WAVES-Wide photometric input catalogue using UMAP and

Todd L. Cook, Behnood Bandi, Sam Philipsborn +13

Star-galaxy separation is a crucial step in creating target catalogues for extragalactic spectroscopic surveys. A classifier biased towards inclusivity risks including spurious sta…