The Lenses Structure and Dynamics Survey: luminous and dark matter in high redshift early-type galaxies

Treu, T. & Koopmans, L., 1-Dec-2003, In : Bulletin of the American Astronomical Society. 35, p. 1314

Research output: Contribution to journalArticleAcademic

I will present the latest results from the Lenses Structure and Dynamics (LSD) Survey. Using ESI on the Keck Telescope, we have measured spatially resolved stellar kinematics for a sample of 11 early-type galaxies (E/S0s) in the range z=0.1-1, selected as gravitational lenses. By combining lensing and dynamical analysis, we break the degeneracies inherent to each method alone and obtain an accurate measurement of the amount and distribution of dark matter in high redshift E/S0s. I will discuss the implications of these measurements on the epoch and mechanism of formation of early-type galaxies. I will also show how this method can be used to measure the Hubble Constant from gravitational time delays with precision similar to the local distance ladder method.
Original languageEnglish
Pages (from-to)1314
JournalBulletin of the American Astronomical Society
Publication statusPublished - 1-Dec-2003
Event American Astronomical Society Meeting 203, #68.01 - Atlanta, GA, United States
Duration: 1-Dec-20031-Dec-2003


American Astronomical Society Meeting 203, #68.01


Atlanta, GA, United States

Event: Conference

ID: 25111119