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astro-ph2006★ 39 cited
Lithium depleted stars in the young sigma Ori cluster
G. G. Sacco, S. Randich, E. Franciosini +2
Context: Knowledge of the age distribution of stars in young clusters and associations is crucial to constrain models of star formation. HR diagrams of different young clusters and…
astro-ph2001
Deep ROSAT-HRI observation of the elliptical galaxy NGC 1399
M. Paolillo, G. Fabbiano, G. Peres +1
We present the preliminary results of a deep (167 ks) ROSAT HRI observation of the cD galaxy NGC1399 in the Fornax cluster. We find, in agreement with previous observations, an ext…