Table 10
Comparison of mean abundances and dispersions between Carina, Halo and globular cluster stars.
| Elem. | [Fe/H] range | Car. Old | Car. Int. | Carina | MW Halo | MW GCs | LMC GCs |
|
|
|||||||
| [Na/Fe] | –1.95/–1.48 | ... | 0.18 ± 0.27[10] | 0.18 ± 0.27[10] | –0.11 ± 0.29[72]a | 0.30 ± 0.29[103]b | 0.36 ± 0.32[21]d |
| [O/Fe] | –2.60/–1.48 | 0.84 ± 0.27[4] | 0.59 ± 0.19[20] | 0.63 ± 0.23[24] | 0.55 ± 0.33[57]a | 0.27 ± 0.15[31]b | 0.09 ± 0.15[18]d |
| [Mg/Fe] | –2.80/–1.18 | 0.29 ± 0.28[21] | 0.40 ± 0.22[46] | 0.36 ± 0.24[67] | 0.34 ± 0.19[581]a | 0.27 ± 0.12[139]b | 0.09 ± 0.22[21]d |
| [Si/Fe] | –2.14/–1.48 | 1.09 ± 0.12[1] | 0.54 ± 0.22[16] | 0.56 ± 0.25[17] | 0.27 ± 0.25[87]a | 0.32 ± 0.10[60]b | 0.38 ± 0.15[20]d |
| [Ca/Fe] | –2.80/–1.48 | 0.18 ± 0.33[14] | 0.27 ± 0.12[38] | 0.25 ± 0.17[52] | 0.20 ± 0.13[540]a | 0.23 ± 0.07[74]b | 0.21 ± 0.10[21]d |
| [Ti II/Fe] | –2.80/–1.48 | 0.40 ± 0.24[9] | 0.24 ± 0.28[33] | 0.28 ± 0.30[42] | 0.34 ± 0.15[515]a | 0.35 ± 0.19[11]c | 0.53 ± 0.45[3]d |
| [Mg/Ca] | –2.80/–1.48 | 0.13 ± 0.23[14] | 0.15 ± 0.20[36] | 0.15 ± 0.21[50] | 0.03 ± 0.17[534]a | 0.03 ± 0.07[74]b | –0.12 ± 0.29[21]d |
|
–2.80/–1.48 | 0.28 ± 0.29[14] | 0.35 ± 0.14[36] | 0.13 ± 0.16[50] | 0.32 ± 0.14[533]a | 0.25 ± 0.08[71]b | 0.15 ± 0.10[21]d |
|
–2.80/–1.48 | 0.34 ± 0.30[9] | 0.32 ± 0.17[32] | 0.33 ± 0.19[41] | 0.33 ± 0.13[506]a | 0.29 ± 0.12[15]c | 0.18 ± 0.09[21]d |
Notes. Numbers in square brackets indicate the stars/GCs used to estimate the mean abundances.
Individual MW halo dwarf/giant stars from Frebel (2010).
Individual stars for 19 Galactic GCs from Carretta et al. (2009a,b, 2010a).
Mean abundances of Galactic GCs from Pritzl et al. (2005).
Individual stars for LMC globulars from Mucciarelli et al. (2010) and Colucci et al. (2012).
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