Mutual coherence properties of images of a quasar observed through a gravitational lens - Microlensing by a double star

Details Mutual coherence properties of images of a quasar observed through a gravitational lens - Microlensing by a double star Mutual coherence properties of images of a quasar observed through a gravitational lens - Microlensing by a double star

Apr 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991azh....68..236m&link_type=abstract

Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 68, Mar.-Apr. 1991, p. 236-243. In Russian.

Physics

Optics

2

Double Stars, Gravitational Lenses, Image Analysis, Quasars, Astronomical Models, Geometrical Optics, Image Processing

Scientific paper

The mutual coherence degree of a pair of quasar core adjoining images formed by a two-point lens (by a double star of an intervening galaxy) is calculated. In this case, the mutual coherence reaches several tens of percent in the radio range and several percent in the optical range. In general, these results are valid for a broad class of microlensing cases. The applicability of the geometrical-optics approximation to this problem is substantiated.

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