Table 5
Mean silicon abundances for OB-type stars in the LMC from the current study and the literature.
| Cluster/region | Spectral type | Models | Mean ɛSi (a) | log g (cm s−2) | Comments |
|---|---|---|---|---|---|
| NGC 2070 | Late O | FASTWIND HHeSi | 7.03 ± 0.04 (10) | 3.8–4.4 | This study |
| NGC 2060 | Late O | FASTWIND HHeSi | 7.04 ± 0.05 (13) | 3.8–4.4 | This study |
| 30 Dor field | Late O | FASTWIND HHeSi | 7.07 ± 0.06 (9) | 3.8–4.4 | This study |
| N11 | Early to mid B | TLUSTY/SYNSPEC | 7.19 ± 0.07 (30) | 2.1–4.2 | Hunter et al. (2007) |
| NGC 2004 | Early to mid B | TLUSTY/SYNSPEC | 7.21 ± 0.03 (23) | 1.9–4.15 | Trundle et al. (2007) |
| NGC 2004 | Early B | ATLAS9/DETAIL/SURFACE | 7.00 ± 0.16 (6) (b) | 3.1–4.35 | Korn et al. (2000, 2002) |
| NGC 1818 | Early B | ATLAS9/DETAIL/SURFACE | 7.03 ± 0.12 (2) (b) | 2.8–4.0 | Korn et al. (2000, 2002) |
| NGC 2004 | Early B(c) | ATLAS9/DETAIL/SURFACE | 7.07 ± 0.06 (3) | 3.7–4.05 | Korn et al. (2005) |
Notes. The quoted uncertainties correspond to either the error of the mean (present study) or the standard deviation of the individual results. (a) Number of objects in parentheses;(b)means calculated from the individual estimates in the relevant studies; (c) relatively rapid rotators (v sin i ~ 130 km s−1).
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