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Table 4.
Hα detection statistics.
| Detections statistics | ||||
|---|---|---|---|---|
| Number | Lifetime | Max. size | Rate | |
| Set | (min) | (arcsec2) | (arcmin−2 min−1) | |
| A | 19 | 2.61 ± 2.25 | 0.13 ± 0.06 | 0.34 |
| B | 31 | 3.49 ± 3.13 | 0.11 ± 0.11 | 0.68 |
| C | 333 | 2.23 ± 5.83 | 0.11 ± 0.25 | 3.00 |
| D | 470 | 2.68 ± 8.22 | 0.14 ± 0.57 | 1.21 |
| E | 62 | 2.61 ± 6.13 | 0.13 ± 0.21 | 0.82 |
| F | 395 | 3.09 ± 6.30 | 0.16 ± 0.25 | 1.85 |
| G | 145 | 3.07 ± 5.47 | 0.16 ± 0.30 | 1.09 |
| H | 21 | 3.40 ± 2.87 | 0.20 ± 0.11 | 0.36 |
| I | 126 | 2.76 ± 5.57 | 0.13 ± 0.24 | 1.24 |
| J | 133 | 3.44 ± 8.24 | 0.16 ± 0.36 | 0.55 |
| Avg | – | 2.94 ± 1.82 | 0.14 ± 0.09 | 1.11 ± 0.77 |
Notes. The third and fourth columns list the median lifetimes and median maximum areas with their standard deviations. The last column gives the occurrence rate. The last row lists the averages except for the number count (which would not be meaningful).
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