The effect of matter structure on the gravitational waveform

Who: Camille Bonvin (Geneva)
When: Monday, May 22, 2017 at 14:15
Where: The CP³ meeting room

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I will discuss the impact of the large-scale structure of the universe on the propagation of gravitational waves emitted by binary systems. In particular I will show that the acceleration of the binary with respect to the observer distorts the gravitational chirp signal from the simplest General Relativity prediction. I will discuss the detectability of this effect by LISA and I will show that it can introduce a bias in the estimation of the binary parameters such as the time of coalescence and the individual masses of the binary.