Gravitational micro-lensing due to an ensemble of compact objects with different masses

Details Gravitational micro-lensing due to an ensemble of compact objects with different masses Gravitational micro-lensing due to an ensemble of compact objects with different masses

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...214....4k&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 214, no. 1-2, April 1989, p. 4-13.

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25

Caustics (Optics), Computerized Simulation, Gravitational Lenses, Quasars, Brown Dwarf Stars, Computational Astrophysics, Light Curve, Mass Distribution, Variability

Scientific paper

Gravitational microlensing due to an ensemble of compact objects with different masses is investigated by means of numerical simulations. Amplification diagrams and light-curves are shown and compared with the results of previous simulations using equal masses. It is found that different length scales are induced by the different masses and that the large scale structures of the caustics/anticaustics are enhanced. If the compact source of the quasar continuum is small enough, low mass objects like brown dwarfs and even jupiters should lead to detectable variations in the brightness of quasars.

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