The SVOM launch is a success!
The SVOM satellite took off on June 22, 2024 at 09:00 (Paris time). The launch was successful and the satellite was well positioned on its orbit. First data are expected…
Articles produced by the « Gravitational waves » group
Paper: Resonant behavior and stability of a linear three-mirror cavity
Abstract: The implementation of Fabry-Perot cavities in gravitational-wave detectors has been pivotal to improving their sensitivity, allowing the observation of an increasing number of cosmological events with higher signal-to-noise ratio.…
Optimizing the low-latency localization of gravitational waves
Abstract: Gravitational-wave data from interferometric detectors like LIGO, Virgo and KAGRA is routinely analyzed by rapid matched-filtering algorithms to detect compact binary merger events and rapidly infer their spatial position,…
Multi-band analyses of the bright GRB 230812B and the associated SN2023pel
ABSTRACT: GRB 230812B is a bright and relatively nearby (z=0.36) long gamma-ray burst that has generated significant interest in the community and therefore has been subsequently observed over the entire…
A Joint Fermi-GBM and Swift-BAT Analysis of Gravitational-Wave Candidates from the Third Gravitational-wave Observing Run
We present Fermi Gamma-ray Burst Monitor (Fermi-GBM) and Swift Burst Alert Telescope (Swift-BAT) searches for gamma-ray/X-ray counterparts to gravitational wave (GW) candidate events identified during the third observing run of…
Deep multimessenger search for compact binary mergers in LIGO, Virgo and Fermi/GBM data from 2016-2017
GW170817 - GRB 170817A provided the first observation of gravitational waves from a neutron star merger with associated transient counterparts across the entire electromagnetic spectrum. This discovery demonstrated the long-hypothesized…
Recent advances toward mesoscopic quantum optomechanics
We present a number of approaches, currently in experimental development in our research groups, toward the general problem of macroscopic quantum mechanics, i.e., manifestations of quantum noise and quantum fluctations…
GRANDMA and HXMT Observations of GRB 221009A — the Standard-Luminosity Afterglow of a Hyper-Luminous Gamma-Ray Burst
GRB 221009A is the brightest Gamma-Ray Burst (GRB) detected in more than 50 years of study. In this paper, we present observations in the X-ray and optical domains after the…
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