Table 4.
Summary of FeII emission time-delay constraints (expressed in days in the observer’s frame) using the ICCF.
| Method | KDP15 | KDP15 – blue | VW01 |
|---|---|---|---|
| ICCF – highest r (−1500,+1500) | 50 (r = 0.86) | −71 (r = 0.80) | −237 (r = 0.75) |
| ICCF – peak (−1500,+1500) |
 |
 |
 |
| ICCF – centroid (−1500,+1500) |
 |
 |
 |
| ICCF ( ⋆ ) – highest r (−1500, +1500) | 134 (r = 0.38) | 600 (r = 0.27) | −1034 (r = 0.36) |
| ICCF ( ⋆ ) – peak (−1500, +1500) |
 |
 |
 |
| ICCF ( ⋆ ) – centroid (−1500, +1500) |
 |
 |
 |
| ICCF ( ⋆ ) – highest r (450, 750) | 594 (r = 0.13) | 600 (r = 0.27) | 539 (r = 0.21) |
| ICCF ( ⋆ ) – peak (450, 750) |
 |
 |
 |
| ICCF ( ⋆ ) – centroid (450, 750) |
 |
 |
 |
| Final FeII time delay (rest frame) |
 |
||
Notes. The results denoted with the star (ICCF( ⋆ )) represent the cases with the long-term trend subtraction (using the third-order polynomial fit) from both light curves. The time interval in the parentheses denotes the search interval for the best time delay.
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