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Light deflection by gravitational waves from localized sources

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arxiv gr-qc/9802019 v1 pith:E3GTQ4CO submitted 1998-02-09 gr-qc astro-ph

Thibault Damour , Gilles Esposito-Farese This is my paper · ORCID
classification gr-qcastro-ph
keywords gravitationaldeflectionfieldlocalizedcausedintermediate-zonelightmaterial
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We study the deflection of light (and the redshift, or integrated time delay) caused by the time-dependent gravitational field generated by a localized material source lying close to the line of sight. Our calculation explicitly takes into account the full, near-zone, plus intermediate-zone, plus wave-zone, retarded gravitational field. Contrary to several recent claims in the literature, we find that the deflections due to both the wave-zone 1/r gravitational wave and the intermediate-zone 1/r^2 retarded fields vanish exactly. The leading total time-dependent deflection caused by a localized material source, such as a binary system, is proven to be given by the quasi-static, near-zone quadrupolar piece of the gravitational field, and therefore to fall off as the inverse cube of the impact parameter.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 43 citations worldwide. Full citation record

  1. Detecting Intermediate-mass Black Holes Using Miniature Pulsar Timing Arrays in Globular Clusters

    astro-ph.HE 2025-07 conditional novelty 6.0 of 10

    A mini pulsar timing array inside a globular cluster could detect intermediate-mass black hole binaries with mass ratios above about 0.1 via microsecond gravitational-wave timing residuals.

  2. Synergies Between Pulsar Timing Array and Astrometry

    astro-ph.IM 2026-06 unverdicted novelty 4.0 of 10

    Joint SKA PTA and astrometry analysis improves gravitational wave background detection sensitivity by 10-50%.

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