Astronomy and Astrophysics – Astrophysics
Scientific paper
1995-02-07
Annals N.Y.Acad.Sci.759:600,1995
Astronomy and Astrophysics
Astrophysics
4 pages, one (1) self-unpacking uuencoded compressed PostScript file (created with uufiles) including figures, 98339 bytes, as
Scientific paper
10.1111/j.1749-6632.1995.tb17617
The general idea of determining cosmological parameters with gravitational lensing statistics is outlined, and then recent work---with an emphasis on applicability to all cosmological models, observational bias, better statistics and robustness testing through numerical simulations---is discussed with relevance to a scheme originally introduced by Kochanek to avoid some of the uncertainties which plague other methods. The main result is that the observations at present---and probably in the future as well---are more indicative of intrinsic scatter than a hint of the correct cosmological model.
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