Ions | HR 50491 | HR 10942 | HD 187 4745 | HD 166 4736 |
(
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(10 300 K, 3.81) | (12 000 K, 4.2) | (10 400 K, 4.0) | (7700 K, 4.20) |
He I | ![]() |
10.1 | ||
C II | ![]() |
|||
O I | 8.31 | 8.1 | 8.17 | 7.33 |
Mg I | 7.30 | 7.01 | ||
Mg II | 7.15 | 6.6 | 7.73 | |
Si II | 7.75 | 6.8 | 7.70 | 8.07 |
Cl II | 7.39 | 8.1 | ||
Sc II | 3.06 | ![]() |
3.17 | 4.13 |
Ti II | 5.49 | 6.69 | 5.02 | 4.97 |
V II | 4.75 | 4.00 | 5.17 | |
Cr I | 7.61 | 6.50 | ||
Cr II | 7.36 | 7.02 | 7.82 | 6.64 |
Mn II | 6.30 | 7.17 | 6.70 | |
Fe I | 8.32 | 7.66 | ||
Fe II | 8.29 | 8.46 | 8.39 | 7.69 |
Co I | 8.43 | 5.97 | ||
Co II | 8.35 | 7.92 | ||
Ni II | 6.90 | ![]() |
||
Sr II | 2.96 | 4.323 | 5.00 | |
Y II | 4.33 | 4.14 | ||
Ba II | ![]() |
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1.63 | |
La II | 4.00 | 3.70 | ||
Ce II | 4.68 | 5.2 | 4.45 | |
Pr II | 4.70 | 3.19 | ||
Pr III | 4.68 | 4.55 | 4.40 | |
Nd III | 4.74 | 4.44 | 5.57 | |
Eu II | 4.06 | 3.8 | 3.57 | |
Eu III | 5.30 | |||
Gd II | 4.53 | 4.13 | ||
Dy II | 4.75 | 4.6, 6.24 | 4.21 | |
Dy III | 4.07 |
1 This work. 2 Nielsen & Wahlgren (2000). 3 Sadakane (1992). 4 Values derived at two different epochs. 5 Strasser et al. (2001). 6 Gelbmann et al. (2000). |