H I observations of strongly interacting galaxies

Details H I observations of strongly interacting galaxies H I observations of strongly interacting galaxies

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981aj.....86.1781g&link_type=abstract

Astronomical Journal, vol. 86, Dec. 1981, p. 1781-1790. No. AST-79-09977; No. AST-79-16815.

Astronomy and Astrophysics

Astronomy

43

Galactic Evolution, Galactic Structure, H Lines, Interacting Galaxies, Spectral Line Width, Galactic Rotation, Mass Distribution, Seyfert Galaxies, Spiral Galaxies, Velocity Distribution

Scientific paper

The anomalous, sloping velocity shoulders on the integrated H I line profiles sometimes observed in small systems of galaxies are interpreted as evidence for ongoing tidal interactions, probably associated with galaxies in slow hyperbolic encounters in which extensive transfers of orbital to internal energy can produce extreme, noncircular motions. The identification of actively interacting galaxies and the probing of collision energetics between nonbinary galaxies can therefore be addressed by means of the kinematics of such systems.

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