• Metallicity of the star III-17 in the bulge globular cluster NGC 6553 

      Barbuy, Beatriz; Castro, S.; Ortolani, Sergio; Bica, Eduardo Luiz Damiani (1992) [Artigo de periódico]
      CCD échelle spectra were obtained at the 3.6 m telescope at ESO for the star III-17 of the metal-rich globular cluster NGC 6553. This cluster was chosen because it is a relatively dose bulge globular cluster and also it ...