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The finite source size effect and the wave optics in gravitational lensing

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arxiv astro-ph/0601701 v1 pith:KKF3ICDG submitted 2006-01-31 astro-ph

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keywords sourceeffectfinitesizelensgravitationallensingmodel
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We investigate the finite source size effect in the context of the wave optics in the gravitational lensing. The magnification of an extended source is presented in an analytic manner for the singular isothermal sphere lens model as well as the point mass lens model with the use of the thin lens approximation. The condition that the finite source size effect becomes substantial is demonstrated. As an application, we discuss possible observational consequences of the finite source size effect on astrophysical systems.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Wave Optics Effects from Gravitational Wave Propagation Through Dark Matter Halos

    gr-qc 2026-06 unverdicted novelty 7.0 of 10

    Numerical simulations of plane gravitational waves through Gaussian, NFW and Burkert potentials show non-geodesic propagation for Gaussian profiles and wave convexity reversal for Burkert in strong gravity, with order...

  2. Multi-band observation of lensed gravitational waves as a probe of small-mass dark matter halos

    astro-ph.CO 2025-06 conditional novelty 5.0 of 10

    Using Fisher forecasts, the paper shows that joint ET and DECIGO observations of one lensed gravitational wave can break the degeneracy between lens mass, impact parameter, and halo core size.

  3. Probing globular clusters parameters through gravitational wave lensing with stellar-mass black hole binaries

    gr-qc 2026-06 unverdicted novelty 4.0 of 10

    Simulations of wave-optics lensing of GW150914-like signals by globular clusters recover injected velocity dispersion values for favorable alignments when lens and source parameters are jointly estimated.

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