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...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
Odessa I. I. Mechnykov National University
2013-11-01
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Series: | Odessa Astronomical Publications |
Online Access: | http://oap.onu.edu.ua/article/view/82486 |