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Table 1
Mean properties of the samples.
| Nr. | With | Min. | Max. | Evol. | LTE or | Pop.1 | Pop.2 | Pop.3 | Comm. | Mean off. | Mean off. | Ref. | |
| stars | Na | [Fe/H] | [Fe/H] | stage | NLTE | stars | [Fe/H] | [Na/H] | |||||
|
|
|||||||||||||
| G | 150 | 147 | −2.61 | +0.07 | dwarfs, | NLTE | accret. | dissip. | thin | Gratton et al. (2003) | |||
| SGB | comp. | comp. | disk | ||||||||||
| CA | 286 | 237 | −2.84 | +0.29 | dwarfs, | NLTE | halo | thick | thin | 41 | −0.10 dex | +0.01 dex | Carretta et al. (2000) |
| giants | disk | disk | σ = 0.07 | σ = 0.08 | |||||||||
| GR | 58 | 49 | −2.31 | −0.63 | dwarfs, | NLTE | halo | thick | 14 | −0.13 dex | −0.02 dex | Gratton et al. (2000) | |
| giants | disk | σ = 0.05 | σ = 0.09 | ||||||||||
|
|
|||||||||||||
| N | 94 | 94 | −1.60 | −0.63 | dwarfs | LTE | halo | thick | 35 | −0.05 dex | −0.06 dex | Nissen & Schuster (2010) | |
| disk | σ = 0.07 | σ = 0.04 | |||||||||||
| F | 178 | 174 | −3.01 | −0.05 | dwarfs, | LTE | halo | thick | thin | 110 | +0.05 dex | +0.06 dex | Fulbright (2000) |
| giants | disk | disk | σ = 0.06 | σ = 0.05 | |||||||||
| H | 59 | 59 | −2.93 | −0.91 | giants | LTE | halo | 32 | +0.05 dex | +0.27 dex | Hanson et al. (1998) | ||
| σ = 0.12 | σ = 0.16 | ||||||||||||
| GE | 55 | 55 | −3.12 | −0.14 | dwarfs | NLTE | halo | thick | thin | 23 | −0.03 dex | −0.00 dex | Gehren et al. (2006) |
| disk | disk | σ = 0.05 | σ = 0.07 | ||||||||||
| J | 43 | 42 | −2.99 | −0.45 | turnoff, | LTE | halo | thick | 18 | +0.00 dex | −0.03 dex | Jonsell et al. (2005) | |
| SGB | disk | σ = 0.08 | σ = 0.06 | ||||||||||
| M3 | 100 | 100 | −2.66 | +0.25 | dwarfs, | NLTE | halo | thick | thin | 34 | −0.04 dex | −0.11 dex | Mishenina et al. (2003) |
| giants | disk | disk | σ = 0.09 | σ = 0.17 | |||||||||
| A | 1111 | 1110 | −1.39 | +0.55 | dwarfs | LTE | halo | thick | thin | 24 | −0.07 dex | −0.08 dex | Adibekyan et al. (2012) |
| disk | disk | σ = 0.07 | σ = 0.11 | ||||||||||
| R | 176 | 164 | −1.98 | +0.37 | dwarfs | LTE | halo | thick | thin | 43 | −0.07 dex | −0.05 dex | Reddy et al. (2006) |
| disk | disk | σ = 0.08 | σ = 0.08 | ||||||||||
| M1 | 142 | 142 | −0.96 | +0.32 | dwarfs | LTE | thick | thin | Her mov. | 10 | +0.01 dex | +0.04 dex | Mishenina et al. (2011) |
| disk | disk | group | σ = 0.07 | σ = 0.06 | |||||||||
| B | 102 | 102 | −0.91 | +0.37 | dwarfs | LTE | thick | thin | 8 | −0.09 dex | −0.05 dex | Bensby et al. (2005) | |
| disk | disk | σ = 0.14 | σ = 0.07 | ||||||||||
| C | 90 | 81 | −1.04 | +0.08 | dwarfs | LTE | thin | 5 | +0.01 dex | +0.06 dex | Chen et al. (2000) | ||
| disk | σ = 0.04 | σ = 0.05 | |||||||||||
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