415 citations · 904 across the 21 of their papers we have counts for
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astro-ph2001★ 37 cited
Chromospherically young, kinematically old stars
H. J. Rocha-Pinto, B. V. Castilho, W. J. Maciel
We have investigated a group of stars known to have low chromospheric ages, but high kinematical ages. Isochrone, chemical and lithium ages are estimated for them. The majority of…
astro-ph2001★ 43 cited
Population Synthesis in the Blue I. Synthesis of the Integrated Spectrum of 47 Tucanae from its Color-Magnitude Diagram
Ricardo P. Schiavon, S. M. Faber, Bruno V. Castilho +1
We perform an empirical synthesis of the blue integrated spectrum of the metal-rich globular cluster 47 Tucanae, based directly on the color-magnitude diagram of the cluster couple…