WIYN OPEN CLUSTER STUDY. LV. ASTROMETRY AND MEMBERSHIP IN NGC 6819

We present proper motions and astrometric membership analysis for 15,750 stars around the intermediate-age open cluster NGC 6819. The accuracy of relative proper motions for well-measured stars ranges from ~0.2 mas yr super(-1) within 10' of the cluster center to 1.1 mas yr super(-1) outside th...

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Veröffentlicht in:	The Astronomical journal 2013-08, Vol.146 (2), p.1-12
Hauptverfasser:	PLATAIS, IMANTS, Gosnell, Natalie M, Meibom, Soren, KOZHURINA-PLATAIS, VERA, Bellini, Andrea, Veillet, Christian, Burkhead, Martin S
Format:	Artikel
Sprache:	eng
Schlagworte:	ACCURACY Astrometry Astronomical bodies ASTROPHYSICS, COSMOLOGY AND ASTRONOMY Clusters ECLIPSE Eclipsing binary stars GALAXY CLUSTERS Lists Open clusters PROBABILITY PROPER MOTION Stars VARIABLE STARS X-RAY SOURCES
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