Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.5813j&link_type=abstract
American Astronomical Society, AAS Meeting #211, #58.13; Bulletin of the American Astronomical Society, Vol. 39, p.835
Astronomy and Astrophysics
Astronomy
Scientific paper
The oldest open star clusters are important tracers of the history of the galactic stellar population, but only a few are known in the outer regions of the galactic disk. Many of them are hard to identify because they are projected against the rich stellar background of the galactic disk. We have undertaken an investigation of several distant open clusters. Our first goal is to ascertain whether these clusters (Be 19, Be 44, Be 52, Be 56, King 9 and NGC 6802) are actually genuine physical systems. We report here on a set of analysis tools for enhancing the contrast of probable cluster members from the surrounding field. We conclude that all of these objects are likely real clusters and we provide estimates of the basic cluster parameters of reddening, distance and age. The National Science Foundation and the Boston University Undergraduate Research Opportunities Program have supported this research.
Hoq Sadia
Janes Kenneth
Lollo Anthony
MacDonald Mark
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