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Exploring the gravitationally lensed system HE1104-1805: VLT spectroscopy of the lens at z=0.729
C. Lidman, F. Courbin, J. -P. Kneib +3
Using FORS2, mounted on Kueyen (UT2 of the VLT), we have obtained the redshift of the lensing galaxy in the gravitational lens system HE1104-1805. We measure z=0.729, in good agree…
Constraining the cosmological parameters from gravitational lenses with several families of images
G. Golse, J. -P. Kneib, G. Soucail
The knowledge of the redshift of multiple images in cluster-lenses allows to determine precisely the total projected mass within the Einstein radius. The observation of various mul…
Gravitational Lensing and Cluster of Galaxies
Jean-Paul Kneib
Multiple images, giant arcs, Einstein cross, fold, cusp, lip, caustics, critical lines, sources, mapping, time delay, arclets, weak shear, magnification bias, depletion, ellipticit…
An HST Lensing Survey of X-ray Luminous Galaxy Clusters: I. A383
Graham P. Smith, Jean-Paul Kneib, Harald Ebeling +2
We analyse the mass distribution in the core of A383 (z=0.188), one of 12 X-ray luminous clusters at z~0.2 selected for a comprehensive and unbiased study of the mass distribution…
The Nature of Faint Submillimeter Galaxies
Ian Smail, Rob Ivison, Andrew Blain +1
We summarise the main results on the faint submillimeter (submm) galaxy population which have come from the SCUBA Cluster Lens Survey. We detail our current understanding of the ch…
Constraining (Ω_m,Ω_λ) from strong lensing
G. Golse, J. -P. Kneib, G. Soucail
The knowledge of the redshift of multiple images in cluster-lenses allows to determine precisely the total projected mass within the Einstein radius. The observation of various mul…