... GD358[*]
Tables 1 to 4 and 11 and Figs. 4, 5, 6, 10, 11 and 12 are available only in the electronic form at http://www.edpsciences.org
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... SARA[*]
Southeastern Association for Research in Astronomy (SARA) NSF-REU Student.
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...[*]
Corresponding to a number of multiple trials larger than the number of data points.
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Copyright ESO 2003