A New Analysis in the Field of the O

A New Analysis in the Field of the Open Cluster Collinder 223

The present study of the open cluster Collinder 223 (Cr 223) depended greatly on the photoelectric data of Claria and Lapasset. We use the data in conjunction with the AAO/DSS1 image of the cluster in a re-investigation to improve the main parameters of Cr 223, including the stellar density, the position of the cluster's center, the cluster's diameter. Its luminosity function, mass function, and total mass are also estimated.

作 者： A.L.Tadross   作者單位： National Research Institute of Astronomy and Geophysics, 11421-Helwan, Cairo, Egypt  刊 名： 天體物理學報(英文版)  ISTIC SCI 英文刊名： CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS  年，卷(期)： 2004 4(1)  分類號： P1  關鍵詞： Galaxy: open clusters and associations - individual: Cr 223  

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