2019
DOI: 10.1051/0004-6361/201936349
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Evolution of compact groups from intermediate to final stages

Abstract: Context. Hickson Compact Group (HCG) 16 is a prototypical compact group of galaxies in an intermediate stage of the evolutionary sequence proposed by Verdes-Montenegro et al. (2001), where its galaxies are losing gas to the intra-group medium (IGrM). The group hosts galaxies that are H i-normal, H i-poor, centrally active with both AGN and starbursts, as well as a likely new member and a ∼160 kpc long H i tidal feature. Despite being a well-studied group at all wavelengths, no previous study of HCG 16 has focu… Show more

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Cited by 16 publications
(32 citation statements)
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References 99 publications
(190 reference statements)
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“…Mapping the H i gas within and around the galaxies can show its distribution, be used to determine galaxy kinematics, and to study galaxy interactions. The H i features that reveal galaxy interactions, and are often found in galaxy groups, are in the form of tidal tails (Scott et al 2012), bridges (Jones et al 2019), rings (Malphrus et al 1997) and clouds (Ryder et al 2001), and more of such systems are described in the brief overview by Koribalski (2020). The abundance of such H i features points towards a complex history of galaxy evolution in the group environment.…”
Section: H I Gasmentioning
confidence: 99%
“…Mapping the H i gas within and around the galaxies can show its distribution, be used to determine galaxy kinematics, and to study galaxy interactions. The H i features that reveal galaxy interactions, and are often found in galaxy groups, are in the form of tidal tails (Scott et al 2012), bridges (Jones et al 2019), rings (Malphrus et al 1997) and clouds (Ryder et al 2001), and more of such systems are described in the brief overview by Koribalski (2020). The abundance of such H i features points towards a complex history of galaxy evolution in the group environment.…”
Section: H I Gasmentioning
confidence: 99%
“…1. These data were obtained in the Very Large Array using configurations C and D and were processed by Jones et al (2019); more detailed information regarding the process is available in that work. We plot the emission contours of the robust=0 (19.4 × 14.8 ) and robust=2 (37.2 × 30.3 ) cubes, with an available spectral resolution of ≈ 21 km s −1 .…”
Section: Dynamics and Survivalmentioning
confidence: 99%
“…Lower left panel: Pseudo zenith view (R.A. vs. H i velocity) of the H i emission higher than 3σ rms . Integrated moment-zero and first moment maps as well as detailed information about these data and maps for the whole group can be found in Jones et al (2019). The dashed blue line in both left panels shows the trajectory of the H i tail, the end of which coincides with the diffuse object detected in the optical.…”
Section: Introductionmentioning
confidence: 98%
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