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astro-ph2003
The dynamical mass of the young cluster W3 in NGC 7252: Heavy-Weight globular cluster or ultra compact dwarf galaxy ?
C. Maraston, N. Bastian, R. P. Saglia +3
We have determined the dynamical mass of the most luminous stellar cluster known to date, i.e. object W3 in the merger remnant galaxy NGC 7252. The dynamical mass is estimated from…
astro-ph2003
The Tully-Fisher relation at intermediate redshift
A. Boehm, B. L. Ziegler, R. P. Saglia +7
Using the Very Large Telescope in Multi Object Spectroscopy mode, we have observed a sample of 113 field spiral galaxies in the FORS Deep Field (FDF) with redshifts in the range 0.…
astro-ph2003
Spatially resolved spectroscopy of Coma cluster early -- type galaxies: III. The stellar population gradients
D. Mehlert, D. Thomas, R. P. Saglia +2
We derive central values and logarithmic gradients for the Hbeta, Mg and Fe indices of 35 early-type galaxies in the Coma cluster. We find that pure elliptical galaxies have on ave…