BNO-SAO Conference 2017

The International Conference
SN 1987A, Quark Phase Transition in Compact Objects
and Multimessenger Astronomy


2-8 July 2017

Localization of gravitational waves as a test of gravitation theory

Liudmila Fesik

Abstract

      Detection of the gravitational wave events by Advanced LIGO antennas has opened the new possibility for the study high energy astrophysical processes and also fundamental physics of the gravitational interaction. A new method is presented for measuring the polarization state of an incoming GW by using localization of GW sources along the apparent circle of a detected event. The method takes into account the antenna-pattern functions for different polarization modes and the the detected strain ratio. In is shown that the apparent circles on the sky for allowed positions of the GW sources for the GW150914, GW151226 and LVT151012 events are parallel to the plane of the disc-like large scale structure known as the Local Super-Cluster (LSC) of galaxies which extends up to radius ~100 Mpc and having thickness 30 Mpc.


Reference:
Liudmila Fesik "Localization of gravitational waves as a test of gravitation theory" in Proceedings of The International Conference "SN 1987A, Quark Phase Transition in Compact Objects and Multimessenger Astronomy", Russia, Terskol (BNO INR RAS), Nizhnij Arkhyz (SAO RAS), 2-8 July 2017, INR RAS, Moscow, 2018, pp. 58-68.
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