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astro-ph2000
EROs and the formation epoch of field ellipticals
E. Daddi, A. Cimatti, A. Renzini
A comparison is presented between the observed surface density of extremely red objects (EROs) and the densities of red high-z elliptical galaxies predicted by Pure Luminosity Evol…
astro-ph2000
First VLT spectra of white dwarfs in a globular cluster
S. Moehler, U. Heber, R. Napiwotzki +2
We present the first spectra obtained with the Very Large Telescope for white dwarfs in a globular cluster. Estimates of atmospheric parameters are obtained and compared to evoluti…
astro-ph2000
WWhat Heavy Elements in Clusters of Galaxies Tell About Clusters and Galaxies
Alvio Renzini
Clusters of galaxies allow a direct estimate of the metallicity and metal production yield on the largest scale so far. The ratio of the total iron mass in the ICM to the total opt…