Gravitational lensing aided luminosity distance estimation for compact binary coalescences
arXiv:2305.18689 · doi:10.1103/PhysRevD.109.043017
Abstract
The luminosity distance is a key observable of gravitational-wave (GW) observations. We demonstrate how one can correctly retrieve the luminosity distance of compact binary coalescences (CBCs) if the GW signal is strongly lensed. We perform a proof-of-concept parameter estimation for the luminosity distance supposing (i) strong lensing produces two lensed GW signals emitted from a CBC, (ii) the Advanced LIGO-Virgo network detects both lensed signals as independent events, and (iii) the two events are identified as strongly lensed signals originated from the same source. Taking into account the maximum magnification allowed in two lensing scenarios and simulated GW signals emitted from four different binary black holes, we find that the strong lensing can improve the precision of the distance estimation of a CBC by up to a factor of a few compared to that can be expected without lensing.
8 pages, 5 figures, 4 tables; Accepted by PRD
References in corpus (16)
- GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral
- Advanced Virgo: a 2nd generation interferometric gravitational wave detector
- Advanced LIGO
- GWTC-3: Compact Binary Coalescences Observed by LIGO and Virgo During the Second Part of the Third Observing Run
- A gravitational-wave standard siren measurement of the Hubble constant
- Robust parameter estimation for compact binaries with ground-based gravitational-wave observations using the LALInference software library
- Implementing a search for aligned-spin neutron star -- black hole systems with advanced ground based gravitational wave detectors
- Search for gravitational lensing signatures in LIGO-Virgo binary black hole events
- Observational signatures of microlensing in gravitational waves at LIGO/Virgo frequencies
- Constraining the orbital eccentricity of inspiralling compact binary systems with Advanced LIGO
- Parameter estimation with gravitational waves
- Gravitational Lensing of Gravitational Waves: Effect of Microlens Population in Lensing Galaxies
- A fast and precise methodology to search for and analyse strongly lensed gravitational-wave events
- Bayesian statistical framework for identifying strongly lensed gravitational-wave signals
- Simultaneous Inference of Neutron Star Equation of State and the Hubble Constant with a Population of Merging Neutron Stars
- The Return of GOLUM: Improving Distributed Joint Parameter Estimation for Strongly-Lensed Gravitational Waves