Jan 13 – 16, 2020
IFPU, Miramare campus, Trieste, Italy
Europe/Rome timezone

Post merger signal from black hole mimickers

Jan 16, 2020, 10:30 AM
15m
IFPU, Miramare campus, Trieste, Italy

IFPU, Miramare campus, Trieste, Italy

Via Beirut 2, Trieste, Italy

Speaker

Mr Alexandre Toubiana (APC/IAP)

Description

Black holes mimickers, e.g. neutron stars or boson stars, are compact objects with similar properties to black holes.
The gravitational wave signal emitted by a binary of such putative objects during the inspiral phase is difficult to
distinguish from the one emitted by a black hole binary. Nevertheless, significant differences might appear in the
post merger signal. Inspired by the known behavior of black holes, neutron stars and boson stars we
propose a toy model that captures potential characteristics of such systems composed by such mimickers.
This model can be exploited to assess how well such signal could be recovered with gravitational waves observations from
earth based detectors using standard templates. By analyzing the residuals, i.e. the difference between the injected
signal and the best fit template, one can also develop strategies to extract the new physics described by these new signals.

Primary authors

Mr Alexandre Toubiana (APC/IAP) Dr Luis Lehner (Perimeter Institute) Dr Stanislav Babak (APC) Dr Enrico Barausse (SISSA)

Presentation materials