• Metal-rich globular clusters : giant branch morphology as a metallicity Criterion 

      Ortolani, Sergio; Barbuy, Beatriz; Bica, Eduardo Luiz Damiani (1991) [Artigo de periódico]
      We have obtained VI CCD photometry of the very metal-rich inner bulge globular clusters NGC 6528, NGC 6553 and Ter 1, and of 47 Tuc and NGC 6356, which are usually called metal-rich clusters. We discuss the RGB morphology ...