On the Formation of Bridges and Tails in Interacting Galaxies - Part Two

Details On the Formation of Bridges and Tails in Interacting Galaxies - Part Two On the Formation of Bridges and Tails in Interacting Galaxies - Part Two

Dec 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987basi...15..186n&link_type=abstract

Bulletin of the Astronomical Society of India V.15:4, P. 186, 1987

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The formation of bridges and tails in a galaxy tidally perturbed by another galaxy moving in a parabolic orbit is studied by numerical experiments based on restricted-three-body approach. It is shown that the structure of a tidally interacting galaxy is determined by the dimensionless parameter v2 = where ΔV(R) is the magnitude of the typical velocity increment and Vc(R) is the circular velocity at the periphery of the test galaxy of radius R. v scales in a simple way with the parameters of the collision Bridges and tails form in the range 0.1 < v < 0.7. For v < 0.1, there is very little change in the structure, whereas for v > 0.7, there is appreciable disruption.

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