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Table 5
Relative-to-solar elemental abundances in our program stars.
| Sun | VW Dra | FT Cnc | VV LMi | MQ Hya | ||||||||||||||
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| Ion | log ϵ(El)** | [El/H] | σ | NL | [El/Fe] | [El/H] | σ | NL | [El/Fe] | Ion | [El/H] | σ | NL | [El/Fe] | [El/H] | σ | NL | [El/Fe] |
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| O i* | 8.75 | +0.00 | 0.08 | 5 | –0.01 | – | – | – | – | O i* | +0.08 | 0.10 | 4 | +0.22 | +0.08 | 0.15 | 1 | +0.20 |
| Na i* | 6.29 | +0.00 | 0.08 | 3 | –0.01 | –0.10 | 0.12 | 3 | +0.20 | Na i* | –0.10 | 0.15 | 3 | +0.04 | +0.00 | 0.15 | 3 | +0.12 |
| Mg i* | 7.62 | +0.00 | 0.12 | 2 | –0.01 | –0.48 | 0.15 | 3 | –0.18 | Mg i* | –0.20 | 0.15 | 4 | –0.06 | –0.30 | 0.15 | 3 | –0.18 |
| Al i* | 6.47 | –0.05 | 0.08 | 2 | –0.06 | +0.00 | 0.17 | 2 | +0.30 | Al i* | –0.20 | 0.15 | 2 | –0.06 | –0.05 | 0.15 | 2 | +0.07 |
| Si i | 7.57 | +0.14 | 0.11 | 23 | +0.13 | –0.01 | 0.18 | 5 | +0.29 | Si i | +0.38 | 0.18 | 17 | +0.52 | –0.18 | 0.18 | 13 | –0.06 |
| S i* | 7.20 | –0.06 | 0.07 | 4 | –0.07 | – | – | – | – | |||||||||
| K i* | 5.15 | –0.09 | 0.05 | 2 | –0.10 | +0.25 | 0.15 | 2 | +0.55 | K i* | –0.05 | 0.15 | 2 | +0.09 | +0.10 | 0.15 | 2 | +0.22 |
| Ca i* | 6.32 | +0.03 | 0.14 | 21 | +0.02 | –0.08 | 0.15 | 2 | +0.22 | Ca i* | +0.13 | 0.20 | 2 | +0.27 | –0.07 | 0.15 | 4 | +0.05 |
| Sc i | 3.25 | –0.09 | 0.09 | 8 | –0.10 | +0.11 | 0.02 | 2 | +0.41 | Sc i | –0.24 | 0.15 | 3 | –0.10 | –0.01 | 0.02 | 3 | +0.11 |
| Sc ii | 3.25 | –0.05 | 0.11 | 12 | –0.06 | –0.05 | 0.16 | 3 | +0.25 | Sc ii | –0.12 | 0.10 | 9 | +0.02 | –0.12 | 0.17 | 10 | +0.00 |
| Ti i | 5.02 | +0.03 | 0.17 | 77 | +0.02 | –0.19 | 0.11 | 18 | +0.11 | Ti i | –0.30 | 0.12 | 24 | –0.16 | –0.13 | 0.18 | 43 | –0.01 |
| Ti ii | 5.02 | +0.13 | 0.18 | 10 | +0.12 | –0.14 | 0.17 | 4 | +0.16 | Ti ii | +0.10 | 0.02 | 4 | +0.24 | –0.12 | 0.14 | 8 | +0.00 |
| V i | 4.08 | –0.03 | 0.14 | 26 | –0.04 | +0.66 | 0.18 | 20 | +0.96 | V i | –0.11 | 0.15 | 9 | +0.03 | +0.38 | 0.18 | 17 | +0.50 |
| Cr i | 5.83 | –0.08 | 0.11 | 24 | –0.09 | –0.20 | 0.20 | 3 | +0.10 | Cr i | –0.56 | 0.20 | 21 | –0.42 | –0.37 | 0.16 | 15 | –0.25 |
| Cr ii | 5.83 | –0.05 | 0.14 | 5 | –0.06 | – | – | – | – | |||||||||
| Mn i | 5.64 | –0.14 | 0.17 | 6 | –0.15 | –0.46 | – | 1 | –0.16 | Mn i | +0.07 | 0.19 | 6 | +0.21 | –0.19 | 0.17 | 2 | –0.07 |
| Fe i | 7.50 | +0.00 | 0.11 | 63 | – | –0.30 | 0.16 | 25 | – | Fe i | –0.14 | 0.20 | 45 | – | –0.12 | 0.21 | 219 | – |
| Fe ii | 7.50 | +0.04 | 0.09 | 15 | – | – | – | – | – | Fe ii | – | – | – | – | –0.07 | 0.11 | 4 | – |
| Co i | 5.07 | +0.22 | 0.23 | 23 | +0.21 | –0.06 | 0.15 | 9 | +0.24 | Co i | –0.30 | 0.20 | 18 | –0.16 | –0.14 | 0.19 | 26 | –0.02 |
| Ni i | 6.28 | +0.02 | 0.21 | 63 | +0.01 | –0.39 | 0.10 | 7 | –0.09 | Ni i | –0.13 | 0.21 | 40 | +0.01 | +0.06 | 0.19 | 39 | +0.18 |
| Cu i | 4.12 | –0.06 | – | 1 | –0.07 | +0.39 | – | 1 | +0.69 | Cu i | +0.50 | 0.12 | 2 | +0.64 | +0.56 | 0.15 | 2 | +0.68 |
| Rb i | 2.60 | +0.02 | 0.14 | 2 | +0.01 | +0.02 | – | 1 | +0.32 | Rb i | –0.39 | 0.21 | 2 | –0.25 | –0.06 | – | 1 | +0.06 |
| Y i | 2.25 | – | – | – | – | –0.17 | 0.20 | 3 | +0.13 | |||||||||
| Y ii | 2.25 | –0.30 | 0.13 | 7 | –0.31 | – | – | – | – | Y ii | – | – | – | – | –0.09 | 0.10 | 3 | +0.03 |
| Zr i | 3.05 | –0.28 | 0.21 | 7 | –0.29 | –0.77 | – | 1 | –0.47 | Zr i | –0.28 | 0.13 | 4 | –0.14 | –0.54 | 0.17 | 2 | –0.42 |
| Zr ii | 3.05 | –0.31 | – | 1 | –0.32 | – | – | – | – | |||||||||
| Mo i | 1.92 | +0.03 | 0.00 | 2 | +0.02 | – | – | – | – | Mo i | +0.41 | – | – | +0.55 | – | – | 1 | – |
| Ba ii* | 2.21 | +0.00 | 0.09 | 3 | –0.01 | +0.25 | 0.20 | 3 | +0.55 | Ba ii* | +0.10 | 0.15 | 3 | +0.24 | +0.10 | 0.15 | 3 | +0.22 |
| La ii | 1.25 | –0.19 | – | 1 | –0.20 | – | – | – | – | La ii | –0.38 | 0.19 | 4 | –0.24 | +0.21 | 0.17 | 3 | +0.33 |
| Ce ii | 1.82 | –0.04 | 0.22 | 3 | –0.05 | –0.15 | 0.15 | 4 | +0.15 | Ce ii | –0.58 | 0.11 | 3 | –0.44 | –0.59 | 0.08 | 3 | –0.47 |
| Pr ii | 1.31 | –0.42 | 0.29 | 2 | –0.43 | – | – | – | – | |||||||||
| Nd ii | 1.65 | –0.32 | 0.15 | 4 | –0.33 | +0.31 | 0.12 | 11 | +0.61 | Nd ii | +0.03 | 0.22 | 14 | +0.17 | –0.09 | 0.13 | 12 | +0.03 |
| Eu ii | 0.90 | –0.04 | 0.10 | 3 | –0.05 | –0.17 | – | 1 | +0.13 | Eu ii | –0.33 | 0.20 | 2 | –0.19 | –0.25 | 0.15 | 3 | –0.13 |
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