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astro-ph2000
The evolution of the color gradients of early-type cluster galaxies
R. P. Saglia, C. Maraston, L. Greggio +2
We investigate the origin of color gradients in cluster early-type galaxies to probe whether pure age or pure metallicity gradients can explain the observed data in local and dista…
astro-ph2000
Spectra of High Redshift Galaxies using a Cluster as a Gravitational Telescope
D. Mehlert, S. Seitz, R. P. Saglia +7
Using the Focal Reducer Spectrograph (FORS) at the Very Large Telescope (VLT) during the FORS commissioning time in December 1998 we took long slit spectra of the gravitational arc…