Statistics – Computation
Scientific paper
Dec 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.235.1073k&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 235, Dec. 15, 1988, p. 1073-1109.
Statistics
Computation
39
Computational Astrophysics, Gravitational Lenses, Dark Matter, Red Shift
Scientific paper
Gravitational lensing by systems of two galaxy-like potentials located at different redshifts and separations is investigated. It is found that there is roughly about a 1-10-percent chance of a gravitational lens system being affected by two lenses at the same redshift, and a similar chance of the system being affected by two lenses at different redshifts. The behavior of the image structure is shown to be dominated by the effects of caustics.
Apostolakis John
Kochanek Christopher S.
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