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GW9 - Advanced Data-Analysis Techniques for Gravitational-Wave Detection

Speaker

Brighenti, Francesco

Coauthors

Greco, Giuseppe; Guidi, Gianluca; Piergiovanni, Francesco; Marion, Frederique; Mours, Benoit; Buskulic, Damir; Aubin, Florian

Talk Title

Ranking The Galaxies Within A Gravitational-Wave Sky Localization

Abstract

The recent detection of a binary neutron star merger by the LIGO and Virgo collaborations and its corresponding electromagnetic counterpart from several astronomer teams marks the birth of gravitational astronomy. Due to the size of the error regions, which can span tens to thousands of square degrees, there are significant benefits to rank the galaxies inside these large sky areas to maximize the probability of counterpart detection. Here we present a new procedure to query the galaxy catalogs, rank the galaxies and eventually define a prior for time allocation and scheduling algorithms.

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