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Strong far-infrared cooling lines, peculiar co kinematics, and possible star-formation suppression in Hickson compact group 57

Alatalo, Katherine; Appleton, P N; Lisenfeld, U; Bitsakis, Theodoros; Guillard, Pierre; Charmandaris, Vassilis; Cluver, M; Dopita, Michael; Freeland, Emily; Jarrett, Thomas; Kewley, Lisa; Ogle, Patrick; Rasmussen, Jens Juul

Description

We present [C II] and [O I] observations from Herschel and CO(1-0) maps from the Combined Array for Research in Millimeter Astronomy (CARMA) of the Hickson compact group HCG 57, focusing on the galaxies HCG 57a and HCG 57d. HCG 57a has been previously shown to contain enhanced quantities of warm molecular hydrogen consistent with shock or turbulent heating. Our observations show that HCG 57d has strong [C II] emission compared to L FIR and weak CO(1-0), while in HCG 57a, both the [C II] and...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/75957
Source: Astrophysical Journal, The
DOI: 10.1088/0004-637X/795/2/159

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