Time-frequency methods in gravitational-wave data analysis

Orateur: KLIMENKO Sergey
Localisation: Institut Courant, États-Unis
Type: Séminaire cristolien d'analyse multifractale
Site: UPEC
Salle: P1 P15
Date de début: 21/06/2017 - 11:00
Date de fin: 21/06/2017 - 12:00

First direct observation of gravitational waves opens new possibilities to explore our Universe. Gravitational waves probe the physics of the most cataclysmic astrophysical events such as supernovae explosions, gamma ray bursts and mergers of binary systems composing of neutron stars and black holes. Time-frequency methods are widely used in the gravitational-wave data analysis, particularly when the physics of the source is not well known. Often they are the only tool to capture and explore the dynamic evolution of the transient signals. In my talk I’ll describe the time-frequency algorithms used for the analysis of the gravitational-wave data and their application for identification and reconstruction of astrophysical sources.