Table 2
Parameters of the Ca lines used in the solar spectrum. γ1 = log γVW / NH for a temperature of 10 000 K.
| Line | log gf | γ1 | Line | log gf | γ1 | ||||
| (nm) | Ref. | Ref. | (nm) | Ref. | Ref. | ||||
|
|
|||||||||
| Ca I | Ca I | ||||||||
| 410.8526 | –0.824 | 1 | –6.97 | 11 | 616.6439 | –1.143 | 4 | –7.15 | 9 |
| 422.6728 | 0.244 | 6 | –7.56 | 9 | 616.9042 | –0.797 | 4 | –7.15 | 9 |
| 428.3011 | –0.220 | 3 | –7.50 | 12 | 616.9563 | –0.478 | 4 | –7.15 | 9 |
| 428.9367 | –0.300 | 3 | –7.50 | 12 | 643.9075 | 0.390 | 4 | –7.57 | 9 |
| 430.2528 | 0.280 | 3 | –7.50 | 12 | 645.5598 | –1.340 | 2 | –7.65 | 1 |
| 431.8652 | –0.211 | 3 | –7.50 | 12 | 646.2567 | 0.262 | 4 | –7.57 | 9 |
| 435.5079 | –0.420 | 3 | –6.80 | 11 | 647.1662 | –0.686 | 4 | –7.57 | 9 |
| 442.5437 | –0.360 | 3 | –7.16 | 9 | 649.3781 | –0.109 | 4 | –7.57 | 9 |
| 443.4957 | –0.010 | 3 | –7.16 | 9 | 649.9650 | –0.818 | 4 | –7.57 | 9 |
| 443.5679 | –0.523 | 3 | –7.16 | 9 | 657.2779 | –4.296 | 6 | –7.69 | 9 |
| 445.4779 | 0.260 | 3 | –7.16 | 9 | 671.7681 | –0.523 | 4 | –7.14 | 9 |
| 445.6616 | –1.660 | 3 | –7.16 | 9 | 714.8150 | 0.137 | 4 | –7.80 | 1 |
| 451.2268 | –1.892 | 4 | –7.26 | 1 | 720.2200 | –0.262 | 7 | –7.80 | 1 |
| 452.6928 | –0.548 | 4 | –7.00 | 11 | 732.6145 | –0.208 | 7 | –7.30 | 11 |
| 457.8551 | –0.697 | 4 | –7.00 | 11 | 1034.3820 | –0.409 | 5 | –7.12 | 9 |
| 468.5268 | –0.880 | 3 | –6.40 | 11 | |||||
| 518.8844 | –0.115 | 4 | –7.00 | 11 | Ca II | ||||
| 526.0387 | –1.719 | 4 | –7.51 | 9 | 393.3663 | 0.104 | 6 | –7.76 | 9 |
| 526.1704 | –0.579 | 4 | –7.51 | 9 | 396.8469 | –0.201 | 6 | –7.76 | 9 |
| 526.5556 | –0.114 | 4 | –7.51 | 9 | 500.1479 | –0.506 | 10 | –7.34 | 1 |
| 534.9465 | –0.310 | 4 | –7.44 | 12 | 645.6875 | 0.412 | 10 | –6.61 | 11 |
| 551.2980 | –0.464 | 7 | –7.00 | 11 | 820.1722 | 0.300 | 2 | –7.00 | 11 |
| 558.1965 | –0.555 | 4 | –7.54 | 9 | 824.8796 | 0.570 | 2 | –7.00 | 11 |
| 558.8749 | 0.358 | 4 | –7.54 | 9 | 825.4730 | –0.400 | 2 | –7.00 | 11 |
| 559.0114 | –0.571 | 4 | –7.54 | 9 | 849.8023 | –1.416 | 8 | –7.68 | 9 |
| 559.4462 | 0.097 | 4 | –7.54 | 9 | 854.2091 | –0.463 | 8 | –7.68 | 9 |
| 585.7451 | 0.240 | 4 | –7.12 | 11 | 866.2141 | –0.723 | 8 | –7.68 | 9 |
| 586.7562 | –1.570 | 7 | –7.00 | 11 | 891.2068 | 0.631 | 10 | –7.21 | 11 |
| 610.2723 | –0.770 | 4 | –7.19 | 9 | 892.7356 | 0.808 | 10 | –7.21 | 11 |
| 612.2217 | –0.319 | 4 | –7.19 | 9 | 985.4759 | –0.228 | 10 | –7.00 | 11 |
| 615.6023 | –2.497 | 5 | –7.15 | 9 | 989.0628 | 1.270 | 10 | –7.01 | 11 |
| 616.1297 | –1.268 | 4 | –7.15 | 9 | 993.1374 | 0.051 | 2 | –7.00 | 11 |
| 616.2173 | –0.090 | 3 | –7.19 | 9 | 1183.8997 | 0.290 | 2 | –7.36 | 11 |
| 616.3755 | –1.286 | 7 | –7.15 | 9 | 1194.9745 | –0.010 | 2 | –7.36 | 11 |
References. 1: VALD; 2: Wiese et al. (1969); 3: Wiese & Martin (1980); 4: Smith & Raggett (1981); 5: Kurucz & Bell (1995); 6: Morton (1991); 7: Smith et al. (1988); 8: Theodosiou (1989); 9: Anstee & O’Mara (1995); Barklem & O’Mara (1997, 1998); 10: opacity project; 11: fit of the Solar atlas; 12: Unsöld formula + fit of the Solar atlas.
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