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Table 6

Details of the IR spectroscopic observations and derived spectral types.

Science Target Date Telluric Standard
Target Blue grism Red grism Derived Sp. Types mm-yyyy Telluric Blue grism Red grism Sp. Ref.
ID NDIT×DIT sec z  NDIT×DIT sec z Primary+Secondary ID NDIT×DIT sec z  NDIT×DIT sec z Type
L 412-3 A+B 4 × 30 s 1.42 6 ×  30 s 1.36 K2V + K5V 05-2012 HIP 084636 4 × 1.2 s 1.46 6 × 1.2 s 1.44 G3V (1)
LHS 2881 A+B 25 × 25 s 1.22 7 × 100 s 1.34 K3V + M4V 04-2011 HIP 064574 5 × 10 s 1.28 5 × 10 s 1.39 G1V (1)
LHS 3188 B 7 × 150 s 1.10 7 × 150 s 1.05 n.a. + M5V 04-2011 HIP 090446 5 × 6 s 1.12 3 ×  6 s 1.07 G0V (2)
LHS 5333 A+B 12 × 2 s 1.14 12 ×  4 s 1.16 K0V + M3V 05-2012 HIP 092515 6 × 10 s 1.12 6 × 15 s 1.14 G2V (1)
LTT 6990 A+B 6 × 10 s 1.02 12 ×  10 s 1.02 K0V + K4V 05-2012 HIP 084636 5 × 2 s 1.04 10 × 2 s 1.04 G3V (1)
LP 487-4 A+B 2 × 120 s 1.01 3 × 120 s 1.01 G8V + K5V 05-2012 HIP 084636 5 × 2 s 1.04 10 × 2 s 1.04 G3V (1)
LP 920-25 A+B 6 × 30 s 1.39 8 ×  30 s 1.32 M1.5V + M1.5V 05-2012 HIP 084636 4 × 1.2 s 1.46 6 × 1.2 s 1.44 G3V (1)
LP 922-16 A+B 3 × 20 s 1.21 4 ×  30 s 1.23 K1IV + M1.5V 05-2012 HIP 092515 6 × 10 s 1.12 6 × 15 s 1.14 G2V (1)
M 124... A+B 2 × 120 s 1.01 3 × 120 s 1.01 M0V + M1.5V 05-2012 HIP 098813 10 × 2 s 1.01 20 × 2 s 1.01 G1V (3, 4)

Notes. Median airmasses are given. The target IDs are the same as in Fig. 2. A+B means that both the primary and the secondary were observed; B means that only the secondary was observed.

Reference. (1) Houk & Smith-Moore (1988); (2) Houk & Cowley (1975); (3) Houk (1982); (4) Gray et al. (2006).

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