Table 3: A list of spectral lines used for the stratification calculations. The columns give the ion identification, central wavelength, the excitation potential (in eV) of the lower level, oscillator strength ($\log~{gf}$), the Stark damping constant ("appr'' marks lines for which the classical approximation was used), and the reference for oscillator strength.
Ion Wavelength Ei (eV) $\log~{gf}$ $\log~\gamma_{\rm St}$ Ref. Ion Wavelength Ei (eV) $\log~{gf}$ $\log~\gamma_{\rm St}$ Ref.
Mg II 3104.715 8.864 -0.030 -4.01 KP Cr II 5305.929 10.760 -0.170 -5.348 RU
Mg II 3104.721 8.864 -1.330 -4.01 KP Cr II 5308.425 4.071 -2.060 -6.639 RU
Mg II 3104.805 8.864 -0.190 -4.01 KP Cr I 5344.757 3.449 -1.060 -5.344 MFW
Mg II 4481.126 8.864 0.740 -4.70 KP Cr I 5348.315 1.004 -1.290 -6.112 MFW
Mg II 4481.150 8.864 -0.560 -4.70 KP Cr II 5564.741 10.893 0.510 -5.364 RU
Mg II 4481.325 8.864 0.590 -4.70 KP Cr II 5569.110 10.872 0.860 -5.359 RU
Mg I 4702.991 4.346 -0.666 -4.46 LZ Cr II 6050.242 11.098 0.210 -4.683 RU
Mg II 4739.593 11.569 -0.660 appr KP Cr II 6053.466 4.745 -2.220 -6.633 RU
Mg II 4739.709 11.569 -0.820 appr KP Cr II 6138.721 6.484 -2.150 -6.728 RU
Mg I 5172.684 2.712 -0.402 -5.47 AZ Cr II 6147.154 4.756 -2.890 -6.656 RU
Mg I 5528.405 4.346 -0.620 -4.46 LZ Cr II 6336.263 4.073 -3.760 -6.638 RU
Mg I 6318.717 5.108 -1.730 appr KP            
Mg II 7896.366 9.999 0.650 -4.54 KP Fe II 5018.440 2.891 -1.340 -6.585 RU
            Fe II 5018.669 6.138 -4.010 -6.537 RU
Si II 4130.872 9.839 -0.824 -4.87 BBCB Fe I 5022.236 3.984 -0.530 -5.621 MFW
Si II 4130.894 10.074 0.476 -4.87 BBCB Fe II 5022.420 10.348 -0.07 -5.367 RU
Si II 4190.707 13.492 -0.350 -4.00 AJPP Fe II 5022.583 5.571 -4.180 -6.622 RU
Si II 4621.418 12.256 -0.540 -3.53 NBS Fe I 5022.789 2.990 -2.196 -6.313 BWLW
Si II 4621.696 12.256 -1.680 -3.53 NBS Fe II 5022.792 10.288 -0.090 -5.552 RU
Si II 4621.722 12.256 -0.380 -3.53 NBS Fe II 5022.931 9.112 -2.240 -6.556 RU
Si II 5055.984 10.074 0.460 -4.78 BBCB Fe I 5023.186 4.283 -1.600 -5.207 MFW
Si II 5056.317 10.074 -0.490 -4.78 BBCB Fe II 5030.630 10.288 0.431 -5.891 RU
Si I 5701.104 4.930 -2.000 -4.41 G Fe I 5030.778 3.237 -2.830 -6.277 BWLW
Si II 5957.559 10.067 -0.230 -4.84 BBCB Fe I 5269.537 0.859 -1.321 -6.300 BPS1
Si II 6371.350 8.121 -0.003 -5.04 BBCB Fe II 5278.938 5.911 -2.680 -6.696 RU
            Fe I 5281.790 3.038 -0.834 -5.489 BWLW
Ca II 3158.869 3.123 0.241 -5.54 BWL Fe II 5291.666 10.480 0.540 -5.468 RU
Ca II 3933.655 0.000 0.105 -6.27 BWL Fe II 5303.395 8.185 -1.530 -5.822 RU
Ca I 4226.728 0.000 0.265 -6.03 NBS Fe II 5325.553 3.221 -3.320 -6.603 RU
Ca I 6162.173 1.899 -0.167 -5.32 NBS Fe I 5326.142 3.573 -2.071 -6.209 BK
Ca I 6439.075 2.526 0.390 -6.07 SR Fe I 5434.523 1.011 -2.122 -6.303 BPS1
Ca II 6456.875 8.438 0.410 -3.70 TB Fe I 5560.211 4.434 -1.090 -4.323 MRW
Ca I 6462.567 2.523 0.262 -6.07 SR Fe II 5567.842 6.730 -1.870 -6.578 RU
            Fe II 5961.705 10.678 0.670 -4.950 RU
Cr II 3180.693 2.543 -0.319 -5.30* RU Fe I 6136.615 2.453 -1.400 -6.327 BPSS
Cr II 3410.546 4.781 -1.764 -6.461 RU Fe I 6137.691 2.588 -1.403 -6.112 BPS2
Cr II 3421.202 2.421 -0.714 -5.31* RU Fe II 6149.428 3.889 -2.840 -6.588 RU
Cr II 3421.591 4.294 -2.230 -6.647 RU Fe II 6150.098 3.221 -4.820 -6.678 RU
Cr II 3421.616 4.316 -1.653 -6.645 RU Fe I 6335.330 2.198 -2.177 -6.195 BWLW
Cr II 3422.732 2.455 -0.409 -5.32* RU Fe I 6336.824 3.686 -0.856 -5.467 BK
Cr II 5046.429 8.227 -1.740 -5.909 RU            
Cr I 5265.148 3.428 -0.529 -5.324 K93 Sr II 3380.707 2.940 0.199 appr W
Cr I 5296.691 0.983 -1.400 -6.120 MFW Sr II 3464.453 3.040 0.487 appr W
Cr I 5297.377 2.900 0.167 -4.307 MFW Sr II 3474.889 3.040 -0.460 appr W
Cr II 5297.606 10.754 -0.320 appr RU Sr II 4215.519 0.000 -0.145 -5.50* W
Cr I 5298.016 2.900 -0.060 -4.051 MFW Sr II 4305.443 3.040 -0.136 -5.50* W
Cr I 5298.272 0.983 -1.150 -6.117 MFW Sr I 4607.327 0.000 0.200 appr LW
Cr I 5298.494 2.900 -0.350 -3.749 K93 Sr I 4811.877 1.847 0.190 appr GC
Cr II 5305.865 3.827 -2.160 -6.599 RU            
LZ - Lincke & Ziegenbein (1971); KP - Kurucz & Peytremann (1975); AZ - Andersen et al. (1967); SG - Schulz-Gulde (1969); G - Garz (1973 - corrected); BBCB - Berry et al. (1971); AJPP - Artru et al. (1981); NBS - Wiese et al. (1969); TB - TOPBASE (Seaton et al. 1992); BWL - Black et al. (1972); SR - Smith & Raggett (1981); RU - Raassen & Uylings (1998); K93 - Kurucz (1993); MFW - Martin et al. (1988); MRW - May et al. (1974); BPS1 - Blackwell et al. (1979); BPSS - Blackwell et al. (1982a); BPS2 - Blackwell et al. (1982b); BWLW - O'Brian et al. (1991); BK - Bard & Kock (1994); W - Warner (1968); LW - Lambert & Warner (1968); GC - Garcia & Campos (1988).

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