Navegação Ciências Exatas e da Terra por Autor "Marconi, Gianni"
Resultados 1-2 de 2
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HST observations of Terzan 1 : a second parameter globular cluster in the galactic bulge
Ortolani, Sergio; Barbuy, Beatriz; Bica, Eduardo Luiz Damiani; Renzini, Alvio; Marconi, Gianni; Gilmozzi, Roberto (1999) [Artigo de periódico]Hubble Space Telescope observations in the F555W and F814W bands are presented of the bulge globular cluster Terzan 1. This highly obscured cluster has the smallest projected distance to the Galactic center among all known ... -
V, J, H and K imaging of the metal rich globular cluster NGC 6528 : reddening, metallicity, and distance based on cleaned colour-magnitude diagrams
Momany, Yazan; Ortolani, Sergio; Held, Enrico V.; Barbuy, Beatriz; Bica, Eduardo Luiz Damiani; Renzini, Alvio; Bedin, Luigi R.; Rich, Robert Michael; Marconi, Gianni (2003) [Artigo de periódico]New near-infrared observations of NGC6528 are presented. The JHKs observations complement a previous HST/NICMOS data set by Ortolani et al. (2001), in that they sample a larger area, contain a more numerous sample of red ...