Degeneracies in lens models -- No H0 from gravitational lenses?

Talk given at a seminar at the Jodrell Bank Observatory (UK) on 20. June 2001

O. Wucknitz [1,2]

  1. Hamburger Sternwarte, Gojenbergsweg 112, D-21029 Hamburg, Germany
  2. Jodrell Bank Observatory, Macclesfield, Cheshire SK11 9DL, UK
see "Degeneracies and scaling relations in general power-law models for gravitational lenses"



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