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Table 4.

Binary fractions obtained in this work.

Sample [M/H] Binaries Sample size Binary fraction
[dex] [%]
sdM5–L8 ≤ − 0.5 5 218 2.29 ± 2.01
sdM5–9.5 ≤ − 0.5 2 167
sdL ≤ − 0.5 3 49 (a)

sdM –0.5 1 97
esdM –1 1 53
usdM –2 0 19 ≤5.3

Notes.

(a)

With doubtful pair Id 190/190-1, the binary fraction can reach 8.16 ± 8.00%.

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