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Institut d'Astrophysique et
de Géophysique (Bât. B5c)
Quartier Agora
Allée du 6 août, 19C
B-4000 Liège 1 (Sart-Tilman)
Belgique
Tel.: 04.366.9779
Fax: 04.366.9729
de Géophysique (Bât. B5c)
Quartier Agora
Allée du 6 août, 19C
B-4000 Liège 1 (Sart-Tilman)
Belgique
Tel.: 04.366.9779
Fax: 04.366.9729
Séminaires : Documents
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16ème séminaire : Jeudi 06 décembre, 16h00
Strong gravitational lensing as a probe of Gravity: multi-messenger approach
Tao Yang (Beijing Normal University)
Strong gravitational lensing by galaxies provide us a unique opportunity to understand the nature of gravity on the galactic and extra-galactic scales. In this talk, I will introduce our recent work in which we propose a multi-messenger approach by combining data from both gravitational wave and the corresponding electromagnetic counterpart to probe the deviations from GR. Our work shows that with one typical strongly lensed GW+EM event in the future, the multi-messenger approach is able to distinguish about 10% modified gravity effect on tens of kiloparsec scale.
Tao Yang (Beijing Normal University)
Strong gravitational lensing by galaxies provide us a unique opportunity to understand the nature of gravity on the galactic and extra-galactic scales. In this talk, I will introduce our recent work in which we propose a multi-messenger approach by combining data from both gravitational wave and the corresponding electromagnetic counterpart to probe the deviations from GR. Our work shows that with one typical strongly lensed GW+EM event in the future, the multi-messenger approach is able to distinguish about 10% modified gravity effect on tens of kiloparsec scale.
