by Tanguy Marchand, Luc Blanchet and Guillame Faye.
With the spectacular discoveries by the LIGO/VIRGO collaboration of gravitational waves from the coalescence of black-hole binaries, we foresee the possibility of extremely accurate measurements of the so-called post-Newtonian (PN) coefficients that describe the gravitational waveform of these systems in the inspiral phase prior to the final coalescence. The PN coefficients are especially important because they probe the non-linear structure of general relativity (GR) and provide thus very constraining tests of this theory. In turn, they permit accurate measurements of the physical parameters of the binary, essentially the mass of the compact objects and their moment of rotation or spin.
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- Tanguy Marchand is a second year PhD student at Institut d’Astrophysique de Paris.
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- Professor Luc Blanchet is a senior researcher (directeur de recherche) at Institut d’Astrophysique de Paris.
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- Guillaume Faye is a researcher at Institut d’Astrophysique de Paris
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