Open Access
Table 2
Errors for each method have been derived from analysis of the spread of line-centroids during quiet-Sun conditions.
| Method | Ly-β | Ly-γ | Ly-δ | Ly-ϵ | C iii | |
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| 1 | Quiet-Sun | 2.02 | 4.64 | 8.30 | 10.69 | 1.57 |
| Formal | 1.06 | 3.84 | 5.58 | 7.95 | 0.13 | |
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| 2 | Quiet-Sun | 1.90 | 4.88 | 8.14 | 11.28 | 1.52 |
| Formal | 1.40 | 2.69 | 3.17 | 3.97 | 0.73 | |
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| 3 | Quiet-Sun | 1.70 | 4.90 | 7.60 | 1.27 | 1.95 |
| Formal | 0.03 | 0.10 | 0.25 | 0.56 | 0.01 | |
Notes. Time-averaged formal errors, averaged over flares studied for each of the three methods are also stated.
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