Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004aas...205.2215y&link_type=abstract
American Astronomical Society Meeting 205, #22.15; Bulletin of the American Astronomical Society, Vol. 36, p.1380
Astronomy and Astrophysics
Astronomy
Scientific paper
We have obtained deep CCD photometry in the VI passbands for a 1-degree field around the open cluster NGC 6819. The color-magnitude diagram (CMD) shows a well-defined main sequence to the limit of the photometry at V 21. We will analyze the CMD and the luminosity function (LF) focusing in particular on radial variations in these diagrams. In this way, we will investigate the effects of stellar dynamics on the appearance of the CMD and LF. This research is supported by NSF grant AST-0196212 to A. Sarajedini.
Deliyannis Constantine P.
Sarajedini Ata
Sarrazine A.
Yang Shu-Chih
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