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Table 8
Abundance analyses of NGC 2632 stars (Praesepe) – mean [Fe/H] values and standard deviation, spectrum quality, approximate number of Fe I and Fe II lines used, and corresponding wavelength ranges.
| Fe I | Fe II | ||||||
| [Fe/H] | Reference | R | S/N | n | λ [Å] | n | λ [Å] |
|
|
|||||||
| Dwarfs | |||||||
| +0.04 ± 0.03 | Friel & Boesgaard (1992) | 28k | 100–200 | 7/14 | 7015–7205 | ||
| +0.11 ± 0.00 | An et al. (2007) | 55k | >100 | 15 | 5300–6200 | 9 | 4490–6150 |
| +0.27 ± 0.04 | Pace et al. (2008) | 100k | ≈80 | 60 | 4800–6800 | 10 | 4800–6800 |
| Giants | |||||||
| +0.15 ± 0.05 | Carrera & Pancino (2011) | 30k | 150–215 | 177 | 5055–8945 | 9 | 5991–7711 |
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