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Table 2
Photospheric line pairs used in the spectral type determination.
| Star | Line 1 | Line 2 | ||||
|---|---|---|---|---|---|---|
| λ (Å) | Ele. | Exc. pot. (eV) | λ (Å) | Ele. | Exc. pot. (eV) | |
| 6013.416 | Ti I | 1.07 | 6016.605 | Fe I | 3.55 | |
| 6039.729 | V I | 1.06 | 6041.950 | Fe I | 4.96 | |
| LkHα 321 | 6325.164 | Ti I | 0.02 | 6327.599 | Ni I | 1.68 |
| 6469.193 | Fe I | 4.48 | 6471.662 | Ca I | 2.53 | |
| 5054.074 | Ti I | 2.68 | 5054.642 | Fe I | 3.64 | |
| 5289.269 | Ti I | 0.84 | 5289.817 | Y II | 1.03 | |
| 5295.312 | Fe I | 4.42 | 5295.776 | Ti I | 1.07 | |
| 5376.599 | Ti I | 0.00 | 5376.830 | Fe I | 4.29 | |
| V1331 Cyg | 5384.630 | Ti I | 0.83 | 5385.575 | Fe I | 3.69 |
| 5385.133 | V I | 2.61 | 5385.575 | Fe I | 3.69 | |
| 5440.509 | Ti I | 1.43 | 5441.339 | Fe I | 4.31 | |
| 5460.499 | Ti I | 0.05 | 5461.549 | Fe I | 4.45 | |
| 5465.773 | Ti I | 1.07 | 5466.987 | Fe I | 3.57 | |
| 6111.070 | Ni I | 4.09 | 6111.651 | V I | 1.04 | |
| 6116.180 | Ni I | 4.27 | 6116.990 | Co I | 1.79 | |
| 6116.180 | Ni I | 4.27 | 6119.528 | V I | 1.06 | |
| AS 353A | 6146.207 | Ti I | 1.87 | 6147.834 | Fe I | 4.08 |
| 6151.617 | Fe I | 2.18 | 6152.292 | Si I | 5.96 | |
| 6154.225 | Na I | 2.10 | 6155.134 | Si I | 5.62 | |
| 6156.023 | Ca I | 2.52 | 6157.727 | Fe I | 4.08 | |
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