AAS 196th Meeting, June 2000
Session 42. Open Clusters
Display, Wednesday, June 7, 2000, 10:00am-7:00pm, Empire Hall South

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[42.07] WIYN Open Cluster Study: Precision CCD BVRI Photometry of NGC 1817

A. Sarajedini (Wesleyan University), L. J. Hainline, C. P. Deliyannis (Indiana University), C. Bailyn (Yale University)

We present wide-field precision BVRI CCD photometry of the fairly rich open cluster NGC 1817, taken at the KPNO 0.9-meter telescope. This has been previously identified as a Hyades-age cluster. Previous data include photoelectric measurements of several stars, and some photographic measurements; our CCD data go much deeper. Our data have been analyzed using DAOPHOT's point-spread-function fitting techniques. The cluster reddening, distance, and age, are discussed.


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