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Table 1.
Summary of all the species analyzed in this work, with their region of formation and variability.
| Feature | Region of formation | Variability |
|---|---|---|
| He I | B star, stream | Redshifted abs. in the 4th quadrant |
| Si III, C II | B star | Stable |
| O I, Mg II, Si II, Fe II | Disk | Enhanched abs. in the faint state |
| Si IV, Al III | B star, hot spot, outflow | Orbitally variable excess absorption |
| N V | Hot spot | Weaker in the 2nd quadrant |
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