Table 1.
Atomic parameters of diagnostic spectral lines of C I, N I, O I, Mg I, Si I, Si II, Ca I, Ni I, and Ni II.
| λ | Elow | Eup | log gf | vdW (a) | Ref. (b) | Ref. (c) |
|---|---|---|---|---|---|---|
| [Å] | [eV] | [eV] | f-val. | vdW | ||
| C I | ||||||
| 5052.145 | 7.685 | 10.138 | −1.36 ± 0.04 | −7.310 | 1 | 4 |
| 6587.610 | 8.537 | 10.419 | −1.05 ± 0.04 | 1953.319 | 1 | 1 |
| 7113.171 | 8.647 | 10.390 | −0.94 ± 0.04 | 1858.314 | 1 | 1 |
| N I | ||||||
| 8629.235 | 10.690 | 12.126 | 0.006 ± 0.07 | 575.234 | 2 | 1 |
| 8683.403 | 10.330 | 11.757 | 0.162 ± 0.04 | 480.231 | 2 | 1 |
| O I | ||||||
| 6300.304 | 0.000 | 1.967 | −9.72 ± 0.08 | − | 3 | 2 |
| 7771.940 | 9.146 | 10.741 | 0.350 ± 0.02 | 453.234 | 2 | 1 |
| 7774.170 | 9.146 | 10.741 | 0.204 ± 0.02 | 453.234 | 2 | 1 |
| 7775.390 | 9.146 | 10.740 | −0.019 ± 0.02 | 453.234 | 2 | 1 |
| Mg I | ||||||
| 5528.405 | 4.346 | 6.588 | −0.547 ± 0.02 | 1461.312 | 4 | 1 |
| 5711.088 | 4.346 | 6.516 | −1.742 ± 0.05 | 1860.100 | 4 | 3 |
| Si I | ||||||
| 5645.611 | 4.930 | 7.125 | −2.067 ± 0.03 | −7.29 | 5 | 4 |
| 5684.484 | 4.954 | 7.134 | −1.607 ± 0.05 | −7.30 | 5 | 4 |
| 5690.425 | 4.930 | 7.108 | −1.802 ± 0.05 | 1770.220 | 5 | 1 |
| 5701.105 | 4.930 | 7.104 | −1.981 ± 0.05 | 1770.220 | 5 | 1 |
| 5772.146 | 5.082 | 7.223 | −1.643 ± 0.03 | −7.350 | 5 | 4 |
| 5793.073 | 4.930 | 7.069 | −1.894 ± 0.1 | 1700.230 | 5 | 1 |
| 7034.900 | 5.871 | 7.633 | −0.78 | −7.13 | 6 | 4 |
| 7226.208 | 5.614 | 7.329 | −1.41 | −7.32 | 6 | 4 |
| Si II | ||||||
| 6371.372 | 8.121 | 10.067 | −0.120 ± 0.001 | −7.69 | 5 | 4 |
| Ca I | ||||||
| 5260.387 | 2.521 | 4.878 | −1.719 ± 0.02 | 421.260 | 7 | 1 |
| 5512.980 | 2.933 | 5.181 | −0.464 ± 0.02 | −7.316 | 8 | 4 |
| 5867.562 | 2.933 | 5.045 | −1.570 ± 0.04 | −7.460 | 8 | 4 |
| 6166.439 | 2.521 | 4.531 | −1.142 ± 0.02 | 976.257 | 7 | 1 |
| 6455.598 | 2.523 | 4.443 | −1.340 ± 0.04 | 365.241 | 8 | 1 |
| 6471.662 | 2.526 | 4.441 | −0.686 ± 0.02 | 365.241 | 7 | 1 |
| 6499.650 | 2.523 | 4.430 | −0.818 ± 0.02 | 364.239 | 7 | 1 |
| Ni I | ||||||
| 4740.165 | 3.480 | 6.095 | −1.72 | 844.281 | 9 | 1 |
| 4811.983 | 3.658 | 6.234 | −1.45 | −7.75 | 10 | 4 |
| 4814.598 | 3.597 | 6.172 | −1.63 | 743.236 | 9 | 1 |
| 4976.135 | 3.606 | 6.097 | −1.26 | 843.282 | 9 | 1 |
| 5157.980 | 3.606 | 6.009 | −1.51 | 691.236 | 9 | 1 |
| 5537.106 | 3.847 | 6.086 | −2.22 | 695.216 | 9 | 1 |
| 6176.812 | 4.088 | 6.095 | −0.26 | 826.284 | 9 | 1 |
| 6204.604 | 4.088 | 6.086 | −1.08 | 719.247 | 9 | 1 |
| 6223.984 | 4.105 | 6.097 | −0.91 | 827.283 | 9 | 1 |
| 6414.587 | 4.154 | 6.086 | −1.16 | 721.249 | 9 | 1 |
| Ni II | ||||||
| 6378.250 | 4.154 | 6.097 | −0.82 | 825.283 | 9 | 1 |
Notes.
References: (1) Li et al. (2021); (2) this work; (3) Storey & Zeippen (2000); (4) Pehlivan Rhodin et al. (2017); (5) H. Hartman (in prep., and priv. comm.); (6) Garz (1973) renormalised using O’Brian & Lawler (1991); (7) Smith & Raggett (1981); (8) Smith (1988); (9) Wood et al. (2014); (10) Johansson et al. (2003).
References: (1) Barklem et al. (2000); (2) Unsöld (1955); (3) P. Barklem (priv. comm.); (4) Anstee & O’Mara (1991, 1995).
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