Search Results for author: Colm Talbot

Found 5 papers, 4 papers with code

Probing the Black Hole Metric. I. Black Hole Shadows and Binary Black-Hole Inspirals

no code implementations3 Dec 2020 Dimitrios Psaltis, Colm Talbot, Ethan Payne, Ilya Mandel

In General Relativity, the spacetimes of black holes have three fundamental properties: (i) they are the same, to lowest order in spin, as the metrics of stellar objects; (ii) they are independent of mass, when expressed in geometric units; and (iii) they are described by the Kerr metric.

General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena

Fast, flexible, and accurate evaluation of gravitational-wave Malmquist bias with machine learning

1 code implementation2 Dec 2020 Colm Talbot, Eric Thrane

The currently used method leaves $10-50\%$ of the interesting black hole spin models inaccessible; our new method can probe $>99\%$ of the models and has a lower uncertainty for $>80\%$ of the models.

General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena Instrumentation and Methods for Astrophysics

Gravitational-wave astronomy with an uncertain noise power spectral density

1 code implementation9 Jun 2020 Colm Talbot, Eric Thrane

In order to perform increasingly precise astrophysical inference and model selection, it will be essential to account for this uncertainty.

Instrumentation and Methods for Astrophysics High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology

Measuring the binary black hole mass spectrum with an astrophysically motivated parameterization

2 code implementations8 Jan 2018 Colm Talbot, Eric Thrane

Gravitational-wave detections have revealed a previously unknown population of stellar mass black holes with masses above $20\, M_{\odot}$.

High Energy Astrophysical Phenomena

Determining the population properties of spinning black holes

2 code implementations26 Apr 2017 Colm Talbot, Eric Thrane

We present a framework in which observations of black hole mergers can be used to measure ensemble properties of black hole spin such as the typical black hole spin misalignment.

High Energy Astrophysical Phenomena

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