3 papers
astro-ph2002
The relative ages of LMC old clusters, and the case of NGC 1841
Ivo Saviane, Alfred Rosenberg, Giampaolo Piotto +1
Using archival HST/WFPC2 imaging of 7 LMC globular clusters, and following the methods outlined in our previous study, we have reached the tightest constrain so far on their age di…
astro-ph2000
The red giant branches of Galactic globular clusters in the [(V-I)o,Mv] plane: metallicity indices and morphology
Ivo Saviane, Alfred Rosenberg, Giampaolo Piotto +1
The purpose of this study is to carry out a thorough investigation of the changes in morphology of the red giant branch (RGB) of Galactic globular clusters (GGC) as a function of m…
astro-ph1999
Relative ages of inner-halo globular clusters
Ivo Saviane, Alfred Rosenberg, Giampaolo Piotto
We present preliminary results from our on-going survey of Galactic globular clusters relative ages. The investigation is based on V,I images obtained at the ESO and La Palma teles…