Table 5
Silicon abundances deduced for HD 160 762 from lines of Si ii and iii using the non-LTE equivalent width calculations of Becker & Butler (1990a), and LTE models computed with zeeman.
| log (NSi / NH) | |||||
| Becker & Butler | Zeeman | ||||
|
|
|||||
| Ion | Line (Å) | Wλ (Å) | ξ = 0 km s-1 | ξ = 3 km s-1 | ξ = 1 km s-1 |
|
|
|||||
| Si ii | 4128 | 57.3 | <− 5.0 | <− 5.0 | −5.13 |
| 4130 | 63.2 | <− 5.0 | <− 5.0 | ||
| 5041 | 40.1 | <− 5.0 | <− 5.0 | −5.34 | |
| 5055 | 49.1 | <− 5.0 | <− 5.0 | ||
| 5056 | 21.9 | <− 5.0 | <− 5.0 | ||
| Si iii | 4552 | 70.1 | −4.1 | −4.3 | −4.10 |
| 4567 | 47.5 | −4.3 | −4.5 | ||
| 4574 | 28.2 | −4.2 | −4.5 | ||
Notes. zeeman abundances derived from λλ4128 and 4130 simultaneously, λλ 5041, 5055, and 5056 simultaneously, and λλ4552, 4567, and 4574 simultaneously.
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