Estimate of the mass distribution in a cluster of galaxies based on the observed flattening and orientation of background galaxies

Details Estimate of the mass distribution in a cluster of galaxies based on the observed flattening and orientation of background galaxies Estimate of the mass distribution in a cluster of galaxies based on the observed flattening and orientation of background galaxies

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993arep...37..470s&link_type=abstract

Astronomy Reports, Volume 37, Issue 5, September 1993, pp.470-475

Astronomy and Astrophysics

Astronomy

Scientific paper

We suggest a method of estimating the mass of a gravitational lens from its influence on the images of sources located behind it. We analyze the variation in the probability of observing images with a given flattening and orientation. For a specific sample of images, we determine the parameters of the lens for which the probability of observing a given distribution of flattening and orientation of images is highest. Our numerical modeling shows a high degree of accuracy in estimating the parameters by this method.

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