Open Access
Table 2
Examples of the chromospheric emission lines detected from 64 PMS stars.
| Wavelength (Å) | Number of PMS stars | ||
|---|---|---|---|
| Hamann & Persson (1992) | This work | ||
| Si I | 8728 | – | 15/64 |
| Pa12 | 8750 | 24/34 | 23/64 |
| Mg I | 8807 | 8/34 | 47/64 |
| Fe I | 8824 | 8/34 | 41/64 |
| Fe I | 8838 | — | 27/64 |
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