Pôle Astroparticules, Astrophysique et Cosmologie (A2C)

Low-latency Gravitational-wave Alerts for Multimessenger Astronomy during the Second Advanced LIGO and Virgo Observing Run

Abstract: (IOP) Advanced LIGO’s second observing run (O2), conducted from 2016 November 30 to 2017 August 25, combined with Advanced Virgo’s first observations in 2017 August, witnessed the birth of…

Continuer la lectureLow-latency Gravitational-wave Alerts for Multimessenger Astronomy during the Second Advanced LIGO and Virgo Observing Run

GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs

Communiqué de presse Publication scientifique: GWTC-1: A Gravitational-Wave Transient Catalog of Compact Binary Mergers Observed by LIGO and Virgo during the First and Second Observing Runs  

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All-sky search for long-duration gravitational wave transients in the first Advanced LIGO observing run

Abstract: (IOP) We present the results of a search for long-duration gravitational wave transients in the data of the LIGO Hanford and LIGO Livingston second generation detectors between and ,…

Continuer la lectureAll-sky search for long-duration gravitational wave transients in the first Advanced LIGO observing run

Search for Post-merger Gravitational Waves from the Remnant of the Binary Neutron Star Merger GW170817

Abstract: (IOP) The first observation of a binary neutron star (NS) coalescence by the Advanced LIGO and Advanced Virgo gravitational-wave (GW) detectors offers an unprecedented opportunity to study matter under…

Continuer la lectureSearch for Post-merger Gravitational Waves from the Remnant of the Binary Neutron Star Merger GW170817

Constraints on cosmic strings using data from the first Advanced LIGO observing run

Abstract: (APS) Cosmic strings are topological defects which can be formed in grand unified theory scale phase transitions in the early universe. They are also predicted to form in the…

Continuer la lectureConstraints on cosmic strings using data from the first Advanced LIGO observing run

GW170814: A three-detector observation of gravitational waves from a binary black hole coalescence

Abstract: (APS) On August 14, 2017 at 10∶30:43 UTC, the Advanced Virgo detector and the two Advanced LIGO detectors coherently observed a transient gravitational-wave signal produced by the coalescence of…

Continuer la lectureGW170814: A three-detector observation of gravitational waves from a binary black hole coalescence