Characteristic Features of Microlensing
by Noncompact Objects of Dark Matter

V. A. Sirota*

Lebedev Institute of Physics, Russian Academy of Sciences, Leninski pr. 53, Moscow, 117924 Russia
*e-mail: singlim@td.lpi.ru

Received September 10, 1999

Abstract—A theory of microlensing by nonbaryonic bodies is developed. The characteristic features of lensing
by noncompact transparent objects with a singular density distribution are investigated. The conditions under
which additional peaks appear in the brilliance curve and the characteristics of these peaks are determined. The
effect of a compact baryonic nucleus on the brilliance curve is studied. © 2000 MAIK “Nauka/Interperiodica”.

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