Probabilistic positional association of catalogs of astrophysical sources: the Aspects code

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Fig. 2

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Mean value of different estimators of f as a function of n for f = 1/2 (dotted line), , and circular positional uncertainty ellipses with (see Sects. 6.1 and 6.2 for details). a) Several-to-one simulations. b) One-to-one simulations ( and overlap).

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