Elbereth conference 2025

Innermost stable circular orbit of comparable-mass compact binaries at the fourth post-Newtonian

10 avr. 2025, 17:15

15m

Amphithéâtre Evry Schatzman (Observatoire de Paris - Site de Meudon)

Oral presentation Astrophysics Session 8

Orateur

Etienne Ligout (APC)

Description

We compute by means of post-Newtonian (PN) methods the innermost stable circular orbit of comparable-mass compact binaries. Two methods are used with equivalent results: equations of motion in harmonic coordinates and Hamiltonian formalism in ADM coordinates.