Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21332308t&link_type=abstract
American Astronomical Society, AAS Meeting #213, #323.08; Bulletin of the American Astronomical Society, Vol. 41, p.379
Astronomy and Astrophysics
Astronomy
Scientific paper
I present the latest scientific results from SLACS, the Sloan Lenses ACS Survey. Lenses are first identified spectroscopically and then confirmed via Hubble Space Telescope imaging. The ongoing survey has found almost 100 galaxy scale strong lenses to date. As a result of the selection procedure most lenses are galaxy-galaxy lenses, with extended features (Einstein Rings), making this sample especially well suited to study the properties of the lensing (early-type) galaxies. Extensive follow-up is ongoing with the Keck and VLT Telescopes to obtain spatially resolved kinematics and perform a joint lensing and dynamical analysis to reconstruct the dark and luminous mass distribution and properties of the stellar orbits. I discuss the results in terms of their implication for understanding the formation and evolution of early-type galaxies.
I acknowledge support from NASA through HST grants GO-10174, GO-10494, GO-10587, GO-10798, GO-10886, GO-11202, from the NSF-CAREER program, the Sloan and Packard Foundations.
SLACS Team
Treu Tommaso
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