The Arecibo Galaxy Environment Survey (AGES) XI: the expanded Abell 1367 field. Data catalogue and HI census over the surveyed volume
Boris Deshev, Rhys Taylor, Robert Minchin, Tom C. Scott, Elias Brinks

TL;DR
This paper presents a comprehensive HI survey of the Abell 1367 cluster and surrounding large-scale structure, cataloging 457 HI sources and analyzing their properties in relation to environment and galaxy density.
Contribution
It provides the first extensive HI census in this region, combining new detections with optical data to study environmental effects on galaxy gas content.
Findings
HI detected fraction correlates with local galaxy density
First-time detection of 213 HI sources by AGES
Continuous variation of HI deficiency across environments
Abstract
Many galaxy properties are known to correlate with the environment in which the galaxies are embedded. Their cold, neutral gas content, usually assessed through 21cm HI observations, is related to many other galaxy properties as it is the underlying fuel for star formation. With its high sensitivity and broad sky coverage the blind Arecibo Galaxy Environment Survey (AGES) survey brings significant improvement to the census of HI properties of galaxies in a wide range of environments, from voids to the core of a massive cluster. Here we present an HI census over a volume of ~44000 Mpc towards the merging cluster Abell 1367 and the large-scale structure (LSS) surrounding the cluster out to cz = 20000 km/s. The survey is sensitive down to a column density of N = 1.5 x 10 cm for emission filling the beam and a line width of 10 km/s. As an approximate mass…
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Taxonomy
TopicsGalaxies: Formation, Evolution, Phenomena · Astronomy and Astrophysical Research · Space Technology and Applications
