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Star formation suppression in compact group galaxies: A new path to quenching?

Alatalo, Katherine; Appleton, P N; Lisenfeld, U; Bitsakis, Theodoros; Lanz, L; Lacy, Mark; Charmandaris, Vassilis; Cluver, M.E.; Dopita, Michael; Guillard, Pierre; Jarrett, Thomas; Kewley, Lisa; Rasmussen, Jens Juul; Yun, M S


We present CO(1-0) maps of 12 warm H2-selected Hickson Compact Groups (HCGs), covering 14 individually imaged warm H2 bright galaxies, with the Combined Array for Research in Millimeter Astronomy. We found a variety of molecular gas distributions within the HCGs, including regularly rotating disks, bars, rings, tidal tails, and possibly nuclear outflows, though the molecular gas morphologies are more consistent with spirals and early-type galaxies than mergers and interacting systems. Our...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: The Astrophysical Journal
DOI: 10.1088/0004-637X/812/2/117
Access Rights: Open Access


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