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Table 3
Comparison between fundamental parameters of the same stars observed with different spectrographs.
| Star | Instrument | T eff | log g | [Fe/H] |
| (K) | (cm s-2) | |||
|
|
||||
| Sun | HARPS | 5763 ± 24 | 4.42 ± 0.03 | 0.01 ± 0.05 |
| SOPHIE | 5764 ± 49 | 4.44 ± 0.05 | −0.03 ± 0.04 | |
| FEROS | 5739 ± 32 | 4.43 ± 0.03 | −0.03 ± 0.04 | |
| ELODIE | 5748 ± 37 | 4.36 ± 0.05 | −0.03 ± 0.03 | |
| EBASIM | 5735 ± 50 | 4.35 ± 0.08 | −0.08 ± 0.04 | |
|
|
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| HD 16400 | ELODIE | 4814 ± 28 | 2.68 ± 0.10 | −0.05 ± 0.04 |
| HARPS | 4867 ± 33 | 2.73 ± 0.08 | 0.00 ± 0.04 | |
|
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| HD 28305 | ELODIE | 4948 ± 28 | 2.93 ± 0.05 | 0.01 ± 0.03 |
| HARPS | 5016 ± 33 | 2.97 ± 0.04 | 0.01 ± 0.02 | |
| FEROS | 4995 ± 33 | 2.83 ± 0.05 | 0.01 ± 0.03 | |
|
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| HD 62509 | ELODIE | 4895 ± 24 | 3.08 ± 0.06 | 0.03 ± 0.06 |
| HARPS | 4946 ± 18 | 3.07 ± 0.05 | 0.07 ± 0.05 | |
|
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| HD 168723 | ELODIE | 4942 ± 35 | 3.24 ± 0.11 | −0.18 ± 0.05 |
| HARPS | 4966 ± 40 | 3.28 ± 0.07 | -0.20 ± 0.07 | |
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