Browsing Exact and Earth Sciences by Subject "Russell and colour"

Now showing items 1-3 of 3

    • Extracting parameters from colour–magnitude diagrams 

      Bonatto, Charles Jose; Campos, Fabíola; Kepler, Souza Oliveira; Bica, Eduardo Luiz Damiani (2015) [Journal article]
      We present a simple approach for obtaining robust values of astrophysical parameters from the observed colour–magnitude diagrams (CMDs) of star clusters. The basic inputs are the Hess diagram built with the photometric ...

    • Near-infrared study of new embedded clusters in the Carina complex 

      Oliveira, Raphael Augusto Pereira de; Bica, Eduardo Luiz Damiani; Bonatto, Charles Jose (2018) [Journal article]
      We analyse the nature of a sample of stellar overdensities that we found projected on the Carina complex. This study is based on the Two Micron All Sky Survey photometry and involves the photometry decontamination of field ...

    • Segue 3 : the youngest globular cluster in the outer halo 

      Ortolani, Sergio; Bica, Eduardo Luiz Damiani; Barbuy, Beatriz (2013) [Journal article]
      Deep Galileo (Telescopio Nazionale Galileo) B, V and I images of Segue 3, reaching V ∼ 25, reveal that it is the youngest globular cluster known so far in the Galaxy.Ayoung age of 3.2 Gyr is found, differently from a ...