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arxiv: astro-ph/0209626 · v2 · submitted 2002-09-30 · 🌌 astro-ph

NGC1866: New analysis from HST-WFPC2 observations of the inner regions

E. Di Carlo (1) , G. Raimondo (1) , E. Brocato (1) , V. Castellani (2) , A.R. Walker (3) ((1) INAF-Osservatorio Astronomico di Collurania , Teramo , Italy; (2) INAF-Osservatorio Astronomico di Monte Porzio , Roma
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Italy; (3) CTIO-American Observatory NOAO La Serena Chile)
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classification 🌌 astro-ph
keywords clusteranalysisanalyzingbasisconstraintscorederivedistance
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We report new results on the LMC globular cluster NGC 1866 obtained by analyzing F555W and F814W images from WFPC2@HST. On the basis of the CMD we derive information on the cluster distance and constraints on stellar evolution theory. Evidence of mass segregation are found in the cluster core.

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