We consider an astrophysical system with a population of sources and a population of lenses. For each pair of source and lens, there is a thin on-axis tubelike volume behind the lens in which the radiation flux from the source is greatly increased as a result of gravitational lensing. Any objects (such as dust grains) which pass through such a thin tube will experience strong bursts of radiation, i.e., extreme gravitational lensing events (EGLEs). We study the physics and statistics of EGLEs for the case in which the shear is larger than or comparable to the finite source size. We find that the presence of shear has only a small effect on the EGLE statistics.
All Science Journal Classification (ASJC) codes
- Astronomy and Astrophysics
- Space and Planetary Science
- Gravitational lensing