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Table 2:

Field-dwarf- and gravity-independent spectral indicesa (left and right parts of the table, respectively).

Object
sHJ sKJ sH2OJ sH2OH1 sH2OB $\langle$SpT$ \rangle$b H2O 1.5 $\mu $m H2O H2O-2 $\langle$SpT$ \rangle$b
  (1.265-1.305, (1.265-1.305, (1.09-1.13, (1.45-1.48, (1.47-1.49,   (1.46-1.48, (1.492-1.502, (2.035-2.045,  
  1.60-1.70) 2.12-2.16) 1.265-1.305) 1.60-1.70) 1.59-1.61)   1.57-1.59) 1.55-1.56) 2.145-2.155)  
BRB 17 0.23; L2.4 0.63; L2.6 ... ... ... (L2.5) ... 1.22; L0.6 0.95; M8.4 (M9.5)
PLIZ 28 0.12; L4.5 0.51; L4.0 0.21; L3.0 0.35; L2.0 0.78; L0.8 (L3) 1.30; L1 1.17; M9.5 0.88; L0.3 (L0.5)
PLIZ 35 0.21; L2.7 0.66; L2.2 0.09; L1.2 0.37; L2.3 0.79; L0.6 (L2) 1.31; L1 1.36; L4.0 0.80; L2.6 (L2.5)
BRB 21 0.19; L3.1 0.55; L3.5 0.35; L5.2 0.38; L2.4 0.67; L3.6 (L3.5) 1.39; L2 1.42; L5.2 0.89; L0.0 (L2.5)
BRB 23 0.18; L3.4 0.55; L3.5 0.29; L4.3 0.58; L5.0 0.58; L6.2 (L4.5) 1.67; L7 1.51; L7.2 0.79; L2.8 (L5.5)
BRB 29 ... ... ... 0.65; L5.8 0.68; L3.4 (L4.5) 1.56; L5 1.25; L1.3 0.68; L5.6 (L4)

Notes. (a) Their spectral ranges in $\mu $m are also indicated. (b) Average spectral types derived from the spectral indices are approximated to the nearest half subclasses.


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