논문
Tests of general relativity with the binary black hole signals from the LIGO-Virgo catalog GWTC-1
- 저자B.P. Abbott (W. S. Kim; J. J. Oh; S. H. Oh; E. J. Son)
- 학술지Physical Review D 100(10)
- 등재유형
- 게재일자(2019)
ABSTRACT
The detection of gravitational waves by Advanced LIGO and advanced Virgo provides an opportunity to test general relativity in a regime that is inaccessible to traditional astronomical observations and laboratory tests. We present for tests of the consistency of the data with binary black hole gravitational wave forms predicted by general relativity. One test subtracts the best-fit waveform from the data and checs the consistency of the residual with detector noise. The second test checks that phenomenological deviations introduced in the waveform model (including in the post-Newtonian coefficients) are consistent with 0. The fourth test constrains modifications to the propagation of gravitational waves due to a modified dispersion relation, including that from a massive gravition. We present results both for individual events and also results btained by combining together paricularly stron events from the first and second observing runs of Advanced LIGO and Advanced Virgo, as collected in the catalog GWTC-1. We do net find any inconsistency of the data with the preicitons of general relativity and improve our previously presented combined constraints by factors of 1.1 to 2.5. In particulr, we bound the mass of the grvition to be (90% credible level), an improvement of a facter of 1.6 over our previouly presented results. Additionally, we check that the four gravitational-wave events published for the first time in GWTC-1 do not to stronger constraints on alternative polarizations than those published previously.
ABSTRACT
The detection of gravitational waves by Advanced LIGO and advanced Virgo provides an opportunity to test general relativity in a regime that is inaccessible to traditional astronomical observations and laboratory tests. We present for tests of the consistency of the data with binary black hole gravitational wave forms predicted by general relativity. One test subtracts the best-fit waveform from the data and checs the consistency of the residual with detector noise. The second test checks that phenomenological deviations introduced in the waveform model (including in the post-Newtonian coefficients) are consistent with 0. The fourth test constrains modifications to the propagation of gravitational waves due to a modified dispersion relation, including that from a massive gravition. We present results both for individual events and also results btained by combining together paricularly stron events from the first and second observing runs of Advanced LIGO and Advanced Virgo, as collected in the catalog GWTC-1. We do net find any inconsistency of the data with the preicitons of general relativity and improve our previously presented combined constraints by factors of 1.1 to 2.5. In particulr, we bound the mass of the grvition to be (90% credible level), an improvement of a facter of 1.6 over our previouly presented results. Additionally, we check that the four gravitational-wave events published for the first time in GWTC-1 do not to stronger constraints on alternative polarizations than those published previously.
