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Table 3
Spectral index values and derived spectral type computed from TiO and CaH band-strengths for component A and from the PC3 index for components B and C.
| Band | Indices | Spectral type | ||
|
|
||||
| Component A | ||||
| TiO5 | 0.211 | M5.5 | ||
| CaH2 | 0.281 | M5.5 | ||
| CaH3 | 0.557 | M6 | ||
| H2O-K | 0.829 | M6.5 | ||
| Adopted value | M5.5 | |||
|
|
||||
| Component B | ||||
| PC3 | 2.305 | M9.5 | ||
| H2O-K | 0.791 | M8.5 | ||
| Adopted value | M9.5 | |||
|
|
||||
| Component C | ||||
| PC3 | 2.608 | L0 | ||
| H2O-K | 0.798 | M8 | ||
| Adopted value | L0 | |||
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