COSMOLOGY, COSMOMICROPHYSICS AND GRAVITATION

We derive approximate formulas for the coordinates and magnification of critical images of a point source in a vicinity of a cusp caustic arising in the gravitational lens mapping. In the lowest (zero-order) approximation, these formulas were obtained in the classical work by Schneider&Weiss (19...

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Bibliographic Details
Main Authors: A. N. Alexandrov, V. I. Zhdanov, S. M. Koval
Format: Article
Language:English
Published: Odessa I. I. Mechnykov National University 2013-11-01
Series:Odessa Astronomical Publications
Online Access:http://oap.onu.edu.ua/article/view/82486