Tidal Limit of Stellar Systems in Two-Power Density Models

TL;DR

This paper investigates the tidal effects on extended stellar systems using spherical and elliptical models, calculating tidal distances and equipotential surfaces to understand deformation under gravitational influence.

Contribution

It introduces a method to analyze tidal limits of stellar systems with two-power density models, including Isochrone and Plummer models, and visualizes critical surfaces and maps.

Findings

Tidal distances vary with system parameters.

Critical equipotential surfaces are mapped for different models.

Results can be used to describe stellar system deformation.

Abstract

As the generalization of gravitational effects on the point mass systems, we want to study the tidal effect exerted on an extended stellar system using spherical and axisymmetric elliptical models. Considering the Isochrone and Plummer models for a passing extended stellar system, the tidal distance and the equipotential surface are calculated. The corresponding critical surfaces and maps are plotted in different cases. There are different results some of them may be used in describing stellar systems deformation