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Galaxy Interactions: The HI Signature
Published online by Cambridge University Press: 25 May 2016
Abstract
HI observations are an excellent tool for investigating tidal interactions. Ongoing major and minor interactions which can lead to traumatic mergers or to accretion and the triggering of star formation, show distinct HI signatures. Interactions and mergers in the recent past can also be recognized in the HI structure and kinematics. Recent 21cm line surveys of large samples of galaxies indicate that at least one out of every four galaxies shows signs of a present interaction or merger/accretion events in the recent past.
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- Tidal Interactions
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- Copyright © Kluwer 1999
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