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Table 1
Continuum level, in temperature units, for different synthetic spectra (see Fig. 1) for the methods described in Sect. 2.1.
| Type of spectra | Maximum | Mean | Mean (sel.) | Median | Median (sel.) | ||
| (1) | (2) | (3) | (4) | (5) | (6) | ||
|
|
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| (a) Few lines | 50.20 | 56.39 | 50.22 | 50.33 | 50.14 | ||
| (b) Emission dominated | 51.33 | 106.71 | 52.06 | 60.43 | 52.08 | ||
| (c) Absorption dominated | 48.67 | 33.90 | 45.69 | 35.42 | 45.95 | ||
| (d) Emission and absorption | 50.06 | 83.62 | 48.73 | 51.02 | 49.33 | ||
| (e) Extragalactic | 50.93 | 56.90 | 51.30 | 54.88 | 51.10 | ||
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| Percent 25th/75th | Gaussian | Gaussian (sel.) | KDE max | SCM | c-SCM | ||
| (7) | (8) | (9) | (10) | (11) | (12) | ||
|
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| (a) Few lines | 49.55/ 51.45 | 50.08 ± 1.11 | 50.08 ± 1.11 | 50.07 | 50.05 ± 0.41 | 50.05 ± 0.41 | |
| (b) Emission dominated | 52.21/127.16 | 52.43 ± 2.22 | 52.25 ± 1.97 | 54.76 | 51.82 ± 0.94 | 50.89 ± 0.94 | |
| (c) Absorption dominated | 24.16/ 44.79 | 35.47 ± 14.7 | 44.65 ± 5.57 | 46.49 | 47.80 ± 1.11 | 48.91 ± 1.11 | |
| (d) Emission and absorption | 40.08/ 99.51 | 48.86 ± 6.45 | 49.67 ± 3.93 | 48.47 | 50.27 ± 0.83 | 50.27 ± 0.83 | |
| (e) Extragalactic | 51.10/ 61.42 | 51.09 ± 1.64 | 51.05 ± 1.56 | 50.98 | 50.79 ± 0.54 | 50.24 ± 0.54 | |
Notes. The real continuum level of each synthetic spectrum is 50 K.
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