Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-07-10
Astronomy and Astrophysics
Astrophysics
6 pages, 3 figures, Proceedings of the XXth Moriond Astrophysics Meeting ``Cosmological Physics with Gravitational Lensing'',
Scientific paper
We review the use of photometric redshifts in the particular context of Gravitational Telescopes. We discuss on the possible application of such a technique to the study of both the faint population of distant sources and the properties of cluster lenses. Photometric reshifts could be used to derive the redshift distribution and properties of a very faint subsample of high-z lensed galaxies, otherwise out of reach. Concerning the mass distribution in lensing clusters, photometric reshifts are strongly needed to scale the mass in weak lensing analysis, and to characterize the lensing structure.
Bolzonella Micol
Campusano Luis
Dantel M.
Ellis Richard S.
Fort Bernard
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