| Feature | Phases | Notes |
| Ha emission: red-shifted blue-shifted |
0.0-0.5 0.6-0.95 |
from this paper peak at 0.25 peak at 0.9 |
| Mg II emission: stronger red wing stronger blue wing |
0.1-0.65 0.7-0.1 |
from Böhm-Vitense & Love (1994) |
| metal absorp. lines: red-shifted blue-shifted |
0.40-0.93 0.93-0.40 |
from TABC |