Table 2.
NLTE elemental abundances in V470 Cas and corresponding LTE abundances derived using the same line and MULTI code in the regime of the LTE approximation.
| Ion | Code | [El/H] | σ | NL | (El/H)NLTE | (El/H)LTE |
|---|---|---|---|---|---|---|
| C I | 6.00 | –0.30 | 0.12 | 8 | 8.16 | 8.51 |
| N I | 7.00 | –0.28 | 0.10 | 8 | 7.58 | 7.78 |
| O I | 8.00 | +0.00 | 0.10 | 4 | 8.71 | 9.61 |
| Na I | 11.00 | –0.26 | 0.10 | 4 | 5.99 | 6.41 |
| Mg I | 12.00 | –0.22 | 0.08 | 10 | 7.32 | 7.30 |
| Al I | 13.00 | –0.33 | 0.10 | 4 | 6.10 | 6.04 |
| S I | 16.00 | –0.26 | 0.12 | 7 | 6.90 | 7.11 |
| K I | 19.00 | –0.27 | 0.10 | 2 | 4.84 | 6.00 |
| Ca I | 20.00 | –0.13 | 0.08 | 17 | 6.18 | 6.32 |
| Cu I | 29.00 | –0.18 | 0.12 | 3 | 4.07 | 3.78 |
| Sr II | 38.01 | +0.68 | 0.20 | 2 | 3.60 | 3.82 |
| Ba II | 56.01 | +0.71 | 0.10 | 4 | 2.88 | 2.98 |
Notes. NL is the number of lines used, [El/H] is the abundance relative to the solar value, (El/H)NLTE is the absolute NLTE abundance value on a scale where the hydrogen abundance is 12.00, and (El/H)LTE is the LTE abundance obtained using the same lines as in NLTE. We have calculated the NLTE abundances in the Sun as the zero point for NLTE differential [X/H].
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