Properties of non-Schwarzschild gravitational lenses

Details Properties of non-Schwarzschild gravitational lenses Properties of non-Schwarzschild gravitational lenses

Feb 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976sva....19..444i&link_type=abstract

(Astronomicheskii Zhurnal, vol. 52, July-Aug. 1975, p. 727-737.) Soviet Astronomy, vol. 19, no. 4, 1976, p. 444-449. Translatio

Astronomy and Astrophysics

Astrophysics

Galactic Structure, Gravitational Lenses, Schwarzschild Metric, Stellar Gravitation, Astrophysics, Neutrinos, Relativity

Scientific paper

The focusing properties of very simple non-Schwarzschild gravitational fields are investigated. It is shown analytically that such gravitational lenses may possess some rather unusual nontrivial properties. In particular, the existence of two-dimensional caustics is demonstrated. It is noted that the properties of such caustics must be taken into account when estimating the probability of observing gravitational-lensing effects. Some errors and inaccuracies in previous papers on this topic are pointed out.

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