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Table 7

Tentative spectral classification of the low mass stars in our sample, based on the relative strength of CO (6, 3) 16198 Å, Brγ, and CO (2, 0) 22 957 Å.

No. Relative strength Spectral classification

38 Strong CO (6,3); No Brγ; Strong CO (2,0) Early MIII
78 Weak CO (6,3); Weak Brγ; Strong CO (2,0) Late G III
158 Weak CO (6,3); Strong Brγ; Strong CO (2,0) Early/mid GI-III
396 Medium CO (6,3); No Brγ; Strong CO (2,0) Mid/Late KI-III
437 Weak CO (6,3); Strong Brγ; Medium CO (2,0) Early GI-III
694 Medium CO (6,3); Strong Brγ; Medium CO (2,0) Early KI-III
881 Strong CO (6,3); Weak Brγ; Strong CO (2,0) Late K/Early MI-III
1059 No CO (6,3); No Brγ; Medium CO (2,0) Early MV
1128 No CO (6,3); Strong Brγ; Medium CO (2,0) GV
1203 Medium CO (6,3); No Brγ; Strong CO (2,0) Mid/Late KI-III
1358 Weak CO (6,3); Weak Brγ; Medium CO (2,0) Early KV
1374 Weak CO (6,3); Medium Brγ; Weak CO (2,0) Late G/Early KV
1379 No CO (6,3); Strong Brγ; Weak CO (2,0) Mid GIII
1408 Strong CO (6,3); No Brγ; Strong CO (2,0) KIII

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