S316p.12 — Strömgren-Hβ photometry of the young open cluster M 29

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Aug 10th at 6:00 PM until 7:30 PM

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Author(s): Nadejda Kaltcheva4, Valeri Golev2, John Beaver3, Steven Lund4, Michael Briley1

Institution(s): 1. Appalachian State University, 2. St Kliment Ohridski University of Sofia, 3. University of Wisconsin - Fox Valley, 4. University of Wisconsin Oshkosh

The young open cluster NGC 6913 (M 29) is located in a low-extinction area toward the Great Cygnus Rift. Despite several extensive studies, the distance estimates to the cluster are still controversial, differing up to a factor of two. We present CCD uvbyβ photometry of about 50 stars located in the central region of the cluster and analyze the individual stellar distances and color excesses of the established cluster’s members. The new uvbyβ photometric data are especially useful to refine the parameters of this cluster. We also discuss these results in the context of the surrounding Cyg OB1 association.