20 May 2019
Institut d'Astrophysique de Paris
Europe/Paris timezone

Higher-order tidal effects in binary neutron-star systems

20 May 2019, 10:00
30m
Amphithéâtre (Institut d'Astrophysique de Paris)

Amphithéâtre

Institut d'Astrophysique de Paris

98bis boulevard Arago, 75014 Paris

Speaker

Quentin Henry (Institut d'Astrophysique de Paris)

Description

The detection of GW170817 coming from the coalescence of two neutron stars allowed us, by combining the analytical models with the analysis of the signal, to constrain the equation of state (EOS) of neutron stars. The post-Newtonian formalism played a crucial role in the signal analysis but more precision on the tidal effects entering the waveform is required for comparison with numerical relativity or future data processing. The goal of this talk is to present some recent work aimed at increasing the precision of the tidal effects within binary systems that appear in the wave phase, so as to better constrain the EOS of neutron stars.

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