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Table 2
Summary of literature regarding sulphur abundances in open clusters, globular clusters, and extra-galactic stars.
| Reference | Mult. | N obs | Object | [ Fe / H ] | [ S / Fe ] | Consistent | Comments |
| line | dex | dex | with MW? | ||||
|
|
|||||||
| Caffau et al. (2005b) | 1 | 3 | Terzan 7 (Sgr dSph) | − 0.5 | − 0.05 | – | Lower than MW, |
| consistent with Sgr dSph | |||||||
| Sbordone et al. (2009) | 1 | 4 | NGC 6752 | − 1.43 | ⟨ [ S / Fe ] ⟩ = + 0.49 ± 0.15 | √ | – |
| 1 | 9 | 47 Tuc | − 0.67 | ⟨ [ S / Fe ] ⟩ = + 0.18 ± 0.14 | √ | S-Na corr. | |
| Koch & Caffau (2011) | 1 | 1 | NGC 6397 | − 2.1 | ⟨ [ S / Fe ] ⟩ = + 0.52 ± 0.20 | √ | – |
| Caffau et al. (2014) | 1 | 10 | M4 | − 1.36 | 0.51 | √ | – |
| 1 | 1 | Trumpler 5 | − 0.53 | − 0.23 | – | low [ S / Fe ] with NLTE | |
| 8 | 4 | NGC 5822 | 0.0 | ⟨ [ S / Fe ] ⟩ ≈ − 0.02 | √ | – | |
| 8 | 7 | NGC 2477 | 0.0 | ⟨ [ S / Fe ] ⟩ ≈ − 0.04 | √ | – | |
| Kacharov et al. (2015) | 3 | 6 | M4 | − 1.08 | ⟨ [ S / Fe ] ⟩ = + 0.58 ± 0.20 | √ | no S-Na corr. |
| 3 | 6 | M22 | − 1.9 < [ Fe / H ] < − 1.6 | ⟨ [ S / Fe ] ⟩ = + 0.57 ± 0.19 | √ | 1 star high [ S / Fe ], no S-Na corr. | |
| 3 | 3 | M30 | − 2.3 | ⟨ [ S / Fe ] ⟩ = + 0.55 ± 0.16 | √ | 1 stars high [ S / Fe ], no S-Na corr. | |
| Skúladóttir et al. (2015) | 1 | 85 | Sculptor dSph | − 2.5 < [ Fe / H ] < − 2.0 | [ S / Fe ] ≈ +0.16 | √ | NLTE included |
| − 2.0 < [ Fe / H ] < − 0.8 | [ S / Fe ] decreasing w/ increasing [ Fe / H ] | √ | NLTE included | ||||
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