Beschreibung

Inhalt
Recollections of the career of Bernard Burke.- 0957+561: The unpublished story.- History of gravitational lenses and the phenomena they produce.- The versatile elliptical gravitational lens.- Gravitational lens optics.- Gravitational lensing of extended sources.- Moving gravitational lenses.- Explaining Burke and Shapiro to Newton.- Recent optical observations of gravitational lenses.- VLBI observations of gravitational lenses.- VLBI phase reference mapping techniques and the search for the third image of 0957+561.- First VLBI hybrid maps of 0957+561 A and B.- VLA measurement of the time delay in the gravitationally lensed double quasar 0957+561.- Optical determinations of the time delay in 0957+561.- Resolution of galaxy and third image of gravitational lens 2016+112.- Arcs in clusters of galaxies as gravitational lens images.- A gravitational telescope in Abell 370: Indeed it works!.- Observations of the blue arcs in Abell 963.- Is the giant luminous arc due to lensing by a cosmic string?.- Results of the VLA gravitational lens survey.- Optical searches for gravitational lenses.- An optical imaging survey for gravitational lenses and the discovery of a new lens candidate.- Statistics of gravitational lenses: Galaxies and dark matter.- Highly colinear radio sources and constraints on gravitational lens space density.- Gravitational microlensing.- Cosmic density estimate from microlensing.- Micro-lensing model for QSO 2237+0305.- A viable explanation for quasar-galaxy associations?.- Reception photographs.

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