From 11th to 13th of September took place the 2023 edition of the Journées des systèmes de référence spatio-temporels at the campus Valrose, organized by Agnes Fienga (GeoAzur/OCA) and Christian Bizouard (Syrte/ObsParis). That was the occasion to meet with the worldwide experts of time definition, reference systems, ephemerides and earth rotation. Our colleague Olivier Minazzoli has presented his entangled gravity theory and Marie Anne Bizouard has summarized the récent findings in gravitational waves astronomy with eth LIGO-Virgo-KAGRA network.

The complete prgram at: