The finite source size effect and wave optics in gravitational lensing

Norihito Matsunaga, Kazuhiro Yamamoto

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

We investigate the finite source size effect in the context of the wave optics in 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 the possible observational consequences of the finite source size effect on astrophysical systems.

Original languageEnglish
Article number023
JournalJournal of Cosmology and Astroparticle Physics
Issue number1
DOIs
Publication statusPublished - Jan 1 2006
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics

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