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Table 2
Parameters of the most prominent emission lines in the averaged spectra of HT Cas.
| Set | Spectral | Flux | Relative | FWHM | Peak-to-peak | Model parameters | |||
| line | (erg s-1 cm-2) | intensity | (km s-1) | (km s-1) | Vout (km s-1) | b | r in / r out | ||
|
|
|||||||||
| 1986 | Hα | 3.50 | 2130 | 1120 | 590 ± 5 | 1.59 ± 0.03 | 0.06 ± 0.01 | ||
| Hβ | 2.75 | 2865 | 1370 | 620 ± 21 | 2.03 ± 0.08 | 0.07 ± 0.01 | |||
| Hγ | 2.10 | 3030 | 1450 | ||||||
| Hδ | 1.89 | 3200 | 1750 | ||||||
| He iλ4471 | 1.28 | 3150 | 2090 | ||||||
| He iλ4922 | 1.36 | 1850 | |||||||
| He iλ5015 | 1.28 | 3500 | 2030 | ||||||
| Fe iiλ5169 | 1.20 | ||||||||
| He iλ5876 | 1.50 | 2860 | 1500 | 690 ± 9 | 2.36 ± 0.03 | 0.08 ± 0.01 | |||
| He iλ6678 | 1.40 | 2150 | 1080 | ||||||
|
|
|||||||||
| 1992 | Hβ | 2.68 | 2720 | 1360 | 742 ± 8 | 1.42 ± 0.08 | 0.06 ± 0.01 | ||
| Hγ | 2.30 | 2800 | 1570 | ||||||
| Hδ | 2.20 | 2990 | 1520 | ||||||
| He iλ4471 | 1.27 | 2010 | |||||||
| He iλ4922 | 1.34 | 1700 | |||||||
|
|
|||||||||
| 1995 | Hβ | 2.75 | 2440 | 1250 | |||||
| Hγ | 2.32 | 2830 | 1670 | ||||||
| Hδ | 2.08 | 2670 | 1264 | ||||||
| He iλ4471 | 1.29 | ||||||||
| He iλ4922 | 1.34 | ||||||||
| He iλ5015 | 1.36 | ||||||||
| Fe iiλ5169 | 1.18 | ||||||||
|
|
|||||||||
| 2005-n1 | Hα | 8.7 × 10-14 | 5.55 | 1960 | 1070 | 572 ± 6 | 0.81 ± 0.04 | 0.04 ± 0.01 | |
| Hβ | 7.4 × 10-14 | 3.70 | 2160 | 1090 | 571 ± 11 | 1.58 ± 0.08 | 0.09 ± 0.01 | ||
| He iλ4922 | 6.6 × 10-15 | 1.21 | 1520 | ||||||
| He iλ5015 | 6.9 × 10-15 | 1.20 | 2340 | 1260 | |||||
| Fe iiλ5169 | 5.0 × 10-15 | 1.19 | 1120 | ||||||
| He iλ5876 | 2.1 × 10-14 | 1.77 | 2130 | 1160 | 606 ± 7 | 1.41 ± 0.04 | 0.02 ± 0.01 | ||
| He iiλ4686 | 4.7 × 10-15 | 1.15 | 1640 | ||||||
|
|
|||||||||
| 2005-n2 | Hα | 1.03 × 10-13 | 5.65 | 1960 | 920 | 581 ± 8 | 0.95 ± 0.09 | 0.06 ± 0.02 | |
| He iλ6678 | 1.0 × 10-14 | 1.42 | 2150 | 1080 | |||||
| He iλ7064 | 8.8 × 10-15 | 1.35 | 1140 | ||||||
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