Table 2.

Population of wide binary systems within the individual age groups.

Class 1 2 3 4 5 6 7 (b) Total
S 15 46 36 45 28 23 9 202
F 19 24 43
C 0 0 13 8 7 7 3 38
MS (a) 34 70 49 53 35 30 12 283
E 0 1 4 7 3 4 2 21
W 4 17 13 8 15 8 3 68
All 38 88 66 68 53 42 17 372

Notes. The systems are also distinguished by class.

(a)

Class MS is simply the sum of all wide binaries composed of two main sequence stars (i.e., excluding classes E and W).

(b)

Age group 7 includes three systems classified as C based on the analysis in Sect. 4.3.1.

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