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Table 2
Strength of H2v emission at those line profiles that contain an Fe II emission, compared to a control sample and to the entire data set.
| Sample | Entire data sequence | Fe II emission locations | Control locations |
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| Number of line profiles | 1 596 000 | 779 | 766 |
| Percentage of profiles with H2v emission | 60.3 | 36.4 | 60.7 |
| Mean ratio at H2v emission maximum | 1.317 | 1.386 | 1.311 |
| Mean ratio of areas under H2v line | 1.25 | 1.27 | 1.22 |
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