Browsing Exact and Earth Sciences by Author "Maciel, Walter Junqueira"
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Diagnostic tool to analyse colour–magnitude diagrams of poorly populated stellar concentrations
Pavani, Daniela Borges; Kerber, Leandro de Oliveira; Bica, Eduardo Luiz Damiani; Maciel, Walter Junqueira (2011) [Journal article]The dynamical processes that lead to open cluster disruption cause its mass to decrease. To investigate such processes from the observational point of view, it is important to identify open cluster remnants (OCRs), which ... -
A survey of early-type stars based on the Two Micron All Sky Survey database
Ortiz, Roberto Pereira; Malacarne, Marcio; Wilhelm, Ronald; Costa, R. D. D.; Rossi, Silvia; Maciel, Walter Junqueira (2007) [Journal article]We report the results of a spectroscopic survey of blue stars near the south Galactic pole, selected according to their color indices in the 2MASS database. The main scope of this work is to determine the nature of the ...