• Gemini/Phoenix H-band analysis of the globular cluster AL 3 

      Barbuy, Beatriz; Ernandes, Heitor; Souza, Stefano O.; Razera, Roberta Ferreira; Moura, Tatiana; Meléndez, Jorge; Pérez Villegas, Maria de Los Angeles; Zoccali, Manuela; Minniti, Dante; Dias, Bruno Moreira de Souza; Ortolani, Sergio; Bica, Eduardo Luiz Damiani (2021) [Artículo de periódico]
      The globular cluster AL 3 is old and located in the inner bulge. Three individual stars were observed with the Phoenix spectrograph at the Gemini South telescope. The wavelength region contains prominent lines of CN, OH, ...
    • High-resolution abundance analysis of red giants in the metal-poor bulge globular cluster HP 1 

      Barbuy, Beatriz; Cantelli, Elvis William Carvalho; Vemado, Artur; Ernandes, Heitor; Ortolani, Sergio; Saviane, Ivo; Bica, Eduardo Luiz Damiani; Minniti, Dante; Dias, Bruno Moreira de Souza; Momany, Yazan; Hill, Vanessa; Zoccali, Manuela; Mello Junior, Cesar Henrique Siqueira (2016) [Artículo de periódico]
      Context. The globular cluster HP 1 is projected at only 3 :33 from the Galactic center. Together with its distance, this makes it one of the most central globular clusters in the Milky Way. It has a blue horizontal branch ...
    • Hp 1 : a blue horizontal branch globular cluster in the bulge 

      Ortolani, Sergio; Bica, Eduardo Luiz Damiani; Barbuy, Beatriz (1997) [Artículo de periódico]
      We present V, I colour-magnitude diagrams of the globular cluster HP 1 obtained at the European Southern Observatory New Technology Telescope under exceptional seeing conditions. The cluster shows blue horizontal branch ...