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20242026
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Showing astro-ph.GAShow all

5 papers · 1 filter

astro-ph.GA2026

The Galactic Squeeze: How Aggregate and Highly Dynamical Environments Shape Star Formation in the Local Universe

Wesley Van Kempen, Michelle E. Cluver, Edward N. Taylor +2

We investigate how galaxy evolution varies with environment in the nearby Universe by comparing an ``average'' reference volume in the Southern Galactic Pole (SGP) dataset from \ci…

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

Nessie: A Rust-Powered, Fast, Flexible, and Generalized Friends-of-Friends Galaxy-Group Finder in R and Python

Trystan S. Lambert, A. S. G. Robotham, M. Bravo +4

We introduce Nessie, a galaxy group finder implemented in Rust and distributed as both a Python and R package. Nessie employs the friends-of-friends (FoF) algorithm and requires on…

astro-ph.GA2025

Deep Extragalactic VIsible Legacy Survey (DEVILS): Galaxy group catalogue for the D10-COSMOS field with 90% spectroscopic redshift completeness

Matías Bravo, Luke J. M. Davies, Aaron S. G. Robotham +6

Large-scale galaxy redshift surveys conducted over the last couple of decades have proven crucial in deepening our understanding of structure growth in the Universe and galaxy evol…

astro-ph.GA2024

A Comprehensive Investigation of Environmental Influences on Galaxies in Group Environments

W. Van Kempen, M. E. Cluver, T. H. Jarrett +6

Environment has long been known to impact the evolution of galaxies, but disentangling its effects from mass evolution requires careful analysis of statistically significant sample…