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Table 2

Summary of parameters for HD 107028 and Sun.

Fe lines by Takeda

Parameter HET/HRS HERMES HARPS-N Sun

Teff [K] 5124 ± 41 5109 ± 38 5104 ± 39 5790 ± 47
log g 2.97 ± 0.06 3.01 ± 0.06 3.0 ± 0.06 4.44 ± 0.06
vmic [km s-1] 1.05 ± 0.06 1.11 ± 0.05 1.03 ± 0.06 0.97 ± 0.06
[Fe/H] −0.25 ± 0.06 −0.30 ± 0.05 −0.26 ± 0.06 −0.09 ± 0.06
EP slope 0.00238 0.00706 –0.00308 –0.01773
RW slope 0.00121 –0.00465 –0.04525 0.02918
n FeI 194 227 193 173
n FeII 15 18 14 14

Compilation of Fe and Ti lines with laboratory data

Parameter HET/HRS HERMES HARPS-N Sun

Teff [K] 5190 ± 70 5139 ± 67 5132 ± 64 5833 ± 63
log g 2.96 ± 0.11 2.94 ± 0.11 2.94 ± 0.11 4.37 ± 0.13
vmic [km s-1] 1.19 ± 0.10 1.07 ± 0.09 1.04 ± 0.09 0.96 ± 0.08
[Fe/H] −0.32 ± 0.10 −0.31 ± 0.10 −0.23 ± 0.09 −0.03 ± 0.08
EP slope 0.01685 –0.00414 0.00675 –0.00641
RW slope –0.025578 –0.00981 –0.02349 0.02659
n FeI 78 103 96 96
n FeII 33 38 31 33

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