Mass Transfer in Interacting Galaxies

Details Mass Transfer in Interacting Galaxies Mass Transfer in Interacting Galaxies

Aug 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000noao.prop...98k&link_type=abstract

NOAO Proposal ID #2000B-0098

Physics

Scientific paper

Direct mass transfer between galaxies has been implicated in triggering AGN and star formation during interactions, but has proven elusive to demonstrate. HST imagery has shown a few pairs in which dust structures trace a path from one galaxy disk into a second galaxy's inner regions. This proposal is for emission-line mapping of the velocity field in one of these pairs, which will lead to a direct determination of the rate of mass transfer. This empirical estimate of mass flow will tell how important this process is in some genuine interacting pairs, an improvement over the purely theoretical estimates hitherto available. This puts us in a much better position to understand when and how this process operates, so we can tell when we're seeing it in action.

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