Mutual coherence of the images of a quasar microlensed by a binary star

Details Mutual coherence of the images of a quasar microlensed by a binary star Mutual coherence of the images of a quasar microlensed by a binary star

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pazh...16..598m&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 16, July 1990, p. 598-604. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

1

Coherent Radiation, Double Stars, Gravitational Lenses, Quasars, Stellar Radiation, Continuous Spectra, Stellar Gravitation, Stellar Luminosity

Scientific paper

The mutual coherence degree of a close pair of quasar images during the period of critical-curve crossing is calculated. The mutual coherence is shown to reach a few dozen percent in the radio range. The radiation wavelength dependence of this effect is determined. It is found that this dependence is associated with typical changes of the continuous spectrum during brightbness bursts caused by microlensing.

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