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…