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Table 4

Log of spectroscopic observations and lithium measurements.

Object SpT UT Obs. date Exposure Slit width Air mass pEW (Li i)
(s) (′′) (Å)

J0045+1634 L2β 2012 Dec. 14 2 × 300 1.0 1.09 3.1 ± 0.4
J02410326 L0γ 2012 Dec. 15 2 × 600 1.2 1.18 10
J0355+1133 L5γ 2012 Dec. 13 2 × 300 0.8 1.12 9.2 ± 0.4
G 196–3B L3β 2012 Dec. 16 3 × 180 0.8 1.10 8.0 ± 2.0

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