Table 4.
Overview of the time-delay determinations for the total Mg II and Fe II total line emissions.
| Method | Mg II total [days] | Fe II total [days] |
|---|---|---|
| ICCF (centroid) |
 |
 |
| ICCF (peak) |
 |
 |
| ICCF (max r) | 382.0, r = 0.55 | 340.0, r = 0.65 |
| Javelin – peak (1 run) |
 |
 |
| Javelin (bootstrap, peak) |
 |
 |
| Javelin (bootstrap, mean & median) |
 ,  |
 ,  |
| χ2 (1 run) |
 |
 |
| χ2 (bootstrap peak) |
 |
 |
| χ2 (bootstrap mean & median) |
 ,  |
 ,  |
| von Neumann (1 run) | 512.0 − 514.0 | 512.0 − 514.0 |
| von Neumann (bootstrap peak) |
 |
 |
| von Neumann (bootstrap mean & median) |
 ,  |
 ,  |
| Bartels (1 run) | 512.0 − 514.0 | 512.0 − 514.0 |
| Bartels (bootstrap peak) |
 |
 |
| Bartels (bootstrap mean & median) |
 ,  |
 ,  |
| DCF (1 run) | 527.5 | 527.5 |
| DCF (bootstrap peak) |
 |
 |
| DCF (bootstrap mean & median) |
 ,  |
 ,  |
| zDCF (Maximum Likelihood peak & full range) |
 , (142.1, 481.5) |
 , (260.4, 431.2) |
| Mean time-delay peak – observer’s frame |
 |
 or  |
| Mean time-delay peak – rest frame |
 |
 or  |
Notes. The time delays are expressed in days with respect to the observer’s frame unless otherwise stated. The errors estimated for the mean are 1σ standard deviations, while for the time-delay peak the uncertainties consider 30% of the peak distribution. The median uncertainties express the 16th and 84th percentiles of the distribution.
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