Modelling the light-curves of objects tidally disrupted by a black hole

TL;DR

This paper investigates the effects of general relativity on how stars and compact objects are tidally deformed during disruption events near black holes, aiming to improve understanding of observed flares and aftermath phenomena.

Contribution

It provides a detailed analysis of relativistic effects on tidal deformation, enhancing modeling tools for tidal disruption events in curved space-time.

Findings

Relativistic effects significantly influence tidal deformation models.

Improved understanding of X-ray and IR flare origins.

Enhanced predictive capabilities for tidal disruption observations.

Abstract

Tidal disruption by massive black holes is a phenomenon, during which a large part of gravitational energy can be released on a very short time-scale. The time-scales and energies involved during X-ray and IR flares observed in Galactic centre suggest that they may be related to tidal disruption events. Furthermore, aftermath of a tidal disruption of a star by super-massive black hole has been observed in some galaxies, e.g. RX J1242.6-1119A. All these discoveries increased the demand for tools for tidal disruption study in curved space-time. Here we summarise our study of general relativistic effects on tidal deformation of stars and compact objects.