http://arxiv.org/abs/1610.09810
In this paper, some statistical distributions of wide pairs included in Double Star Catalogue are investigated. Frequency distributions and testing hypothesis are derived for some basic parameters of visual binaries. The results reached indicate that, it was found that the magnitude difference is distributed exponentially, which means that the majority of the component of the selected systems is of the same spectral type. The distribution of the mass ratios is concentrated about 0.7 which agree with Salpeter mass function. The distribution of the linear separation appears to be exponentially, which contradict with previous studies for close binaries.
H. Abdel-Rahman, M. Nouh and W. Elsanhoury
Tue, 1 Nov 16
75/75
Comments: 15 pages, 6 figures and 12 tables
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