Table 2
Internal error analysis for each spectral type and different rotational velocities.
| Parameters | F-type (HD 61421) | |||||||||||
|
|
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| Initial parameters | Wavelength choice | |||||||||||
| υ sin i | 0 km s-1 | 15 km s-1 | 25 km s-1 | 35 km s-1 | 45 km s-1 | 55 km s-1 | 0 km s-1 | 15 km s-1 | 25 km s-1 | 35 km s-1 | 45 km s-1 | 55 km s-1 |
|
|
||||||||||||
| Teff (K) | 27 | 43 | 48 | 54 | 97 | 108 | 13 | 9 | 17 | 48 | 16 | 85 |
| log g (dex) | 0.11 | 0.15 | 0.21 | 0.25 | 0.20 | 0.17 | 0.02 | 0.02 | 0.08 | 0.16 | 0.03 | 0.05 |
| [Fe/H] (dex) | 0.03 | 0.04 | 0.05 | 0.07 | 0.06 | 0.07 | 0.01 | 0.01 | 0.02 | 0.04 | 0.01 | 0.01 |
| υ sin i (km s-1) | 0.20 | 0.25 | 0.98 | 1.00 | 1.57 | 2.60 | 0.08 | 0.14 | 0.91 | 0.89 | 0.93 | 2.13 |
|
|
||||||||||||
| G-type (Sun) | ||||||||||||
|
|
||||||||||||
| Initial parameters | Wavelength choice | |||||||||||
| υ sin i | 0 km s-1 | 15 km s-1 | 25 km s-1 | 35 km s-1 | 45 km s-1 | 55 km s-1 | 0 km s-1 | 15 km s-1 | 25 km s-1 | 35 km s-1 | 45 km s-1 | 55 km s-1 |
|
|
||||||||||||
| Teff (K) | 12 | 5 | 18 | 86 | 86 | 147 | 13 | 9 | 21 | 36 | 43 | 116 |
| log g (dex) | 0.06 | 0.05 | 0.09 | 0.16 | 0.11 | 0.14 | 0.01 | 0.03 | 0.07 | 0.07 | 0.07 | 0.12 |
| [Fe/H] (dex) | 0.02 | 0.01 | 0.04 | 0.07 | 0.07 | 0.07 | 0.02 | 0.01 | 0.03 | 0.02 | 0.02 | 0.04 |
| υ sin i (km s-1) | 0.25 | 0.09 | 0.32 | 0.36 | 2.47 | 3.67 | 0.11 | 0.99 | 0.26 | 0.17 | 2.29 | 3.49 |
|
|
||||||||||||
| K-type (HD 20868) | ||||||||||||
|
|
||||||||||||
| Initial parameters | Wavelength choice | |||||||||||
| υ sin i | 0 km s-1 | 15 km s-1 | 25 km s-1 | 35 km s-1 | 45 km s-1 | 55 km s-1 | 0 km s-1 | 15 km s-1 | 25 km s-1 | 35 km s-1 | 45 km s-1 | 55 km s-1 |
|
|
||||||||||||
| Teff (K) | 20 | 52 | 54 | 77 | 130 | 127 | 15 | 47 | 45 | 68 | 110 | 110 |
| log g (dex) | 0.09 | 0.16 | 0.17 | 0.20 | 0.14 | 0.18 | 0.03 | 0.11 | 0.12 | 0.16 | 0.10 | 0.09 |
| [Fe/H] (dex) | 0.02 | 0.06 | 0.09 | 0.09 | 0.09 | 0.09 | 0.02 | 0.05 | 0.07 | 0.07 | 0.02 | 0.01 |
| υ sin i (km s-1) | 0.46 | 0.72 | 0.86 | 2.38 | 6.92 | 7.54 | 0.45 | 0.69 | 0.77 | 2.12 | 6.98 | 7.36 |
Notes. Two sources of errors were considered: initial parameters and wavelength choice (dependence on the choice of the 90% of the total intervals). Rotational velocity 0 km s-1 refers to the intrinsic υ sin i of the star.
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