Table 1: Previous spectroscopic binary star investigations.
Globular cluster ID Number target Number binary Reference
M3 111 0 Gunn & Griffin (1979)
M3 111 1 Pryor et al. (1988)
47 Tuc, M2, M3, M12, M13, M71 393 6 Pryor et al. (1989)
NGC 3201 276 2 Côté et al. (1994)
NGC 5053 66 6 Yan & Choen (1996)
M71 121 12 Barden et al. (1996)
M22 109 1 Côté et al. (1996)
M4 33 2 Côté et al. (1996)
Pal 5 18 1 Odenkirchen et al. (2002)
NGC 6752 51 0 Moni Bidin et al. (2006)

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