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Radio Physics and Radio Astronomy

ISSN Imprimir: 2152-274X
ISSN On-line: 2152-2758

Archives: Volume 1, 2010 to Volume 3, 2012

Radio Physics and Radio Astronomy

DOI: 10.1615/RadioPhysicsRadioAstronomy.v2.i1.30
pages 23-35

FOCUSING OF THE QUASAR RADIATION IN THE GRAVITATIONAL FIELD OF A MICROLENS-STAR LOCATED IN A MACROLENS-GALAXY: 1. CONSTRUCTION OF THE SOLUTION BASED ON THE SOBOLEV FORMULA

L. A. Berdina
Institute of Radio Astronomy, National Academy of Sciences of Ukraine
A. A. Minakov
Institute of Radio Astronomy, National Academy of Sciences of Ukraine

RESUMO

Studying of the microlensing effect is among promising approaches to solving the problem of detecting the dark matter in the Universe. In the first part of the paper, a solution is constructed of the problem of analyzing the focusing effect of the quasar radiation which occurs in the gravitational field of a microlens-star located inside a macrolens-galaxy. The effect is analyzed with the use of the Sobolev method which allows investigating changes of the focusing properties of the gravitational field of the microlens in dependence on its position in the galaxy.