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Table 4
Statistics for the three samples studied (comparison sample – NP, low-mass planets – LMP, high-mass planets – HMP) for [C/H] and [C/Fe] abundances.
| [C/Fe] | |||||
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| Mean | SD | Median | Minimum | Maximum | |
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| NP | –0.03 | 0.06 | –0.02 | –0.31 | 0.44 |
| LMP | –0.03 | 0.04 | –0.03 | –0.11 | 0.05 |
| HMP | –0.03 | 0.06 | –0.02 | –0.29 | 0.12 |
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| [C/H] | |||||
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| Mean | SD | Median | Minimum | Maximum | |
|
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| NP | –0.17 | 0.29 | –0.14 | –1.30 | 0.45 |
| LMP | –0.13 | 0.21 | –0.17 | –0.62 | 0.24 |
| HMP | 0.03 | 0.23 | 0.10 | –0.69 | 0.39 |
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| [C/H] analogs | |||||
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| Mean | SD | Median | Minimum | Maximum | |
|
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| NP | –0.03 | 0.06 | –0.02 | –0.31 | 0.44 |
| LMP | –0.03 | 0.04 | –0.03 | –0.11 | 0.05 |
| HMP | –0.03 | 0.06 | –0.02 | –0.29 | 0.12 |
Notes. Also, [C/H] abundances for those stars considered as solar analogues (Teff = Teff, ⊙ ± 300 K) are provided.
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