Follow-up analyses to the O3 LIGO–Virgo–KAGRA lensing searches

ABSTRACT Along their path from source to observer, gravitational waves may be gravitationally lensed by massive objects leading to distortion in the signals. Searches for these distortions amongst the observed signals from the current detector network have already been carried out, though there have...

Full description

Saved in:

Bibliographic Details
Published in:	Monthly notices of the Royal Astronomical Society Vol. 526; no. 3; pp. 3832 - 3860
Main Authors:	Janquart, J, Wright, M, Goyal, S, Chan, J C L, Ganguly, A, Garrón, Á, Keitel, D, Li, A K Y, Liu, A, Lo, R K L, Mishra, A, More, A, Phurailatpam, H, Prasia, P, Ajith, P, Biscoveanu, S, Cremonese, P, Cudell, J R, Ezquiaga, J M, Garcia-Bellido, J, Hannuksela, O A, Haris, K, Harry, I, Hendry, M, Husa, S, Kapadia, S, Li, T G F, Magaña Hernandez, I, Mukherjee, S, Seo, E, Van Den Broeck, C, Veitch, J
Format:	Journal Article Web Resource
Language:	English
Published:	Oxford University Press 01-12-2023
Subjects:	Astronomy and Astrophysics Aérospatiale, astronomie & astrophysique Current detector Detector networks Follow up Future observations General Relativity and Quantum Cosmology gravitational lensing: micro Gravitational lensing: micros gravitational lensing: strong Gravitational-waves Micro-lensing Physical, chemical, mathematical & earth Sciences Physique, chimie, mathématiques & sciences de la terre Source systems Space and Planetary Science Space science, astronomy & astrophysics gravitational lensing: micro gravitational waves gravitational lensing: strong
Online Access:	Get full text
Tags:	Add Tag No Tags, Be the first to tag this record!

Description
Summary:	ABSTRACT Along their path from source to observer, gravitational waves may be gravitationally lensed by massive objects leading to distortion in the signals. Searches for these distortions amongst the observed signals from the current detector network have already been carried out, though there have as yet been no confident detections. However, predictions of the observation rate of lensing suggest detection in the future is a realistic possibility. Therefore, preparations need to be made to thoroughly investigate the candidate lensed signals. In this work, we present some follow-up analyses that could be applied to assess the significance of such events and ascertain what information may be extracted about the lens-source system by applying these analyses to a number of O3 candidate events, even if these signals did not yield a high significance for any of the lensing hypotheses. These analyses cover the strong lensing, millilensing, and microlensing regimes. Applying these additional analyses does not lead to any additional evidence for lensing in the candidates that have been examined. However, it does provide important insight into potential avenues to deal with high-significance candidates in future observations.
Bibliography:	info:eu-repo/grantAgreement/EC/H2020/847523 scopus-id:2-s2.0-85175146424
ISSN:	0035-8711 1365-2966 1365-2966
DOI:	10.1093/mnras/stad2909