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Fig. 4

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White dwarf luminosity function, colormagnitude diagram, and color distribution of 47 Tuc. Gray dots represent observed main -sequence stars, black dots correspond to white dwarfs observed in the field, while red points denote the results of our synthetic population of white dwarfs. The green squares represent the regions of the colormagnitude for which the χ2 test was performed, while the blue thin lines correspond to the cuts adopted to compute the distributions. The red curves correspond to the simulated distributions obtained when no cuts are adopted, the blue curves are the observed distributions computed using our cuts, while the black lines are the observed distributions when no cuts are employed. See the online edition of the journal for a color version of this figure and the main text for additional details.

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