Abstract
AbstractThe outskirts of galaxies — especially the very extended Hidisks of galaxies — are strongly affected by their local environment. I highlight the giant 2X-Hidisks of nearby galaxies (M 83, NGC 3621, and NGC 1512), studied as part of the Local Volume HiSurvey (LVHIS), their kinematics and relation to XUV disks, signatures of tidal interactions and accretion events, theMHI-DHIrelation as well as the formation of tidal dwarf galaxies. - Using multi-wavelength data, I create 3D visualisations of the gas and stars in galaxies, with the shape of their warped disks obtained through kinematic modelling of their Hivelocity fields.
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