On the tidal disruption of a spherical galaxy

Details On the tidal disruption of a spherical galaxy On the tidal disruption of a spherical galaxy

Dec 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991mnras.253..683n&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 253, Dec. 15, 1991, p. 683-685.

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1

Computational Astrophysics, Galactic Mass, Galactic Structure, Interacting Galaxies, Astronomical Models, Circular Orbits, Perturbation Theory, Tides

Scientific paper

The disruption of a satellite galaxy as it undergoes collision with a massive perturber is investigated by numerical simulations. The models are restricted by a constant pericentric distance. The disruption of the satellite is estimated in terms of the density ratio rho/rhoR where rho is the initial density of the satellite and rhoR a critical density, the Roche density. The satellite suffers considerable disruption if the ratio is less than 1/2 and it survives the tidal encounter when the ratio is more than 1/2. For the same initial conditions, the circular orbit models show larger tidal effects than the other models.

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