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Gravitational wave detection through microlensing?

2003/07/04 by R. Ragazzoni, Roberto Ragazzoni, G. Valente +3
Physics and Astronomy · #Astrophysical Phenomena and Observations #Cosmology and Gravitation Theories #Pulsars and Gravitational Waves Research #astro-ph #gr-qc #hep-th

paper · pdf · doi:10.1046/j.1365-8711.2003.06959.x

published as Mon.Not.Roy.Astron.Soc.345:100-110,2003 · 12 pages, 7 figures, to appear in Mon. Not. R. Astron. Soc

arxiv created 2003/07/04 · openalex publication_date 2003/10/01 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

It is shown that accurate photometric observations of a relatively high-magnification microlensing event (A≫ 1), occurring close to the line of sight of a gravitational wave (GW) source, represented by a binary star, can allow the detection of subtle gravitational effects. After reviewing the physical nature of such effects, it is discussed to what extent these phenomena can actually be caused by GWs. Expressions for the amplitude of the phenomena and the detection probability are supplied.

Citations