Astronomy and Astrophysics – Astrophysics
Scientific paper
2003-08-04
Astronomy and Astrophysics
Astrophysics
4 pages; Proceeding for the "Multi-Wavelength Cosmology" conference, Mykonos, Greece, June 17-20, 2003
Scientific paper
The Lenses Structure & Dynamics (LSD) Survey aims at studying the internal structure of luminous and dark matter - as well as their evolution - of field early-type (E/SO) galaxies to z~1. In particular, E/S0 lens galaxies are studied by combining gravitational lensing, photometric and kinematic data obtained with ground-based (VLA/Keck/VLT) and space-based telescopes (HST). Here, we report on preliminary results from the LSD Survey, in particular on (i) the constraints set on the luminous and dark-matter distributions in the inner several R_eff of E/S0 galaxies, (ii) the evolution of their stellar component and (iii) the constraints set on the value of H_0 from time-delay systems by combining lensing and kinematic data to break degeneracies in gravitational-lens models.
Koopmans Leon V. E.
Treu Tommaso
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