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Figure 1: The observed spectrum (thick solid line) and three synthetic spectra (dotted, dashed and solid lines) for different values of [S/Fe], in the spectral regions 6742.6-6744.1 Å and 6756.2-6757.9 Å, for two targets. |
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Figure 2: The observed spectrum (thick solid line) and three synthetic spectra (dotted, dashed and solid lines) for different values of [Zn/Fe], in the spectral regions 4809.8-4811.3 Å and 4721.5-4723.0 Å, for two targets. |
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Figure 3: The observed spectrum (thick solid line) and three synthetic spectra (dotted, dashed and solid lines) for different values of [Cu/Fe], in the spectral regions 5217.6-5218.6 Å and 5781.3-5782.8 Å, for two targets. |
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Figure 4:
[C/Fe] vs.
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Figure 5:
[S/Fe] vs.
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Figure 6:
[Zn/Fe] vs.
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Figure 7:
[Cu/Fe] vs.
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Figure 8: [C/H] and [C/Fe] vs. [Fe/H] plots. Filled and open symbols represent planet host and comparison sample stars, respectively. Linear least-squares fits to both samples together are represented and slope values are indicated at the bottom of each plot. |
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Figure 9: [S/H] and [S/Fe] vs. [Fe/H] plots. Filled and open symbols represent planet host and comparison sample stars, respectively. Linear least-squares fits to both samples together are represented and slope values are indicated at the bottom of each plot. |
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Figure 10: [Zn/H] and [Zn/Fe] vs. [Fe/H] plots. Filled and open symbols represent planet host and comparison sample stars, respectively. Linear least-squares fits to both samples together are represented and slope values are indicated at the bottom of each plot. |
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Figure 11: [Cu/H] and [Cu/Fe] vs. [Fe/H] plots. Filled and open symbols represent planet host and comparison sample stars, respectively. Linear least-squares fits to both samples together are represented and slope values are indicated at the bottom of each plot. |
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Figure 12: [X/H] distributions for C, S, Zn and Cu. The solid and dotted lines represent planet host and comparison sample stars, respectively. |
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Figure 13: Top left: comparison of the measured EWs of the C I line at 5380 Å with data given in Santos et al. (2000, filled diamonds), in Gonzalez et al. (2001, open diamonds), in Takeda et al. (2002, asterisks) and in Sadakane et al. (2002, triangles). Top right: comparison of [S/Fe] ratios from our work and from Santos et al. (2000, filled symbols), Takeda et al. (2002, asterisks) and Sadakane et al. (2002, triangles). Bottom left: comparison of [Zn/Fe] ratios from our work and from Takeda et al. (2002, filled diamonds) and Sadakane et al. (2002, asterisks). Bottom right: comparison of [Cu/Fe] ratios from our work and from Sadakane et al. (2002, filled diamonds). |
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