Microlensing predictions for the Einstein Cross 2237+0305

Details Microlensing predictions for the Einstein Cross 2237+0305 Microlensing predictions for the Einstein Cross 2237+0305

Feb 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...268..501w&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 268, no. 2, p. 501-510.

Statistics

Computation

39

Galactic Mass, Galactic Structure, Gravitational Lenses, Quasars, Astronomical Models, Brightness Distribution, Computational Astrophysics, Light Curve, Mass Spectra

Scientific paper

Predictions of the frequency and maximum brightness variations of high amplification events (HAEs) are presented for all four images of the Einstein Cross 2237+0305 based on the macrolensing model of Schneider et al. (1988). Three different modes with different mass spectra are used for the stellar content of the lensing galaxy. New statistical parameters are introduced which permit microlensing predictions to be made depending on the type of the last-occurring HAE. The results are compared with observed brightness variations in the images.

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