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Table 1
List of observed objects.
| Parameter | Value | References |
|
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||
| τ Boo | ||
|
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||
| Spectral type | F6IV | 1 |
| Teff | 6450 ± 150 | 2 |
| log (g) | 4.27 ± 0.10 | 2 |
| [M/H] | 0.26 ± 0.08 | 2 |
| vrot[km s-1] | 13.0 | 3 |
| vrad[km s-1] | –16.03 | 1 |
| Parallaxes [mas] | 64.03 | 1 |
| Epoch of obs. [yr] | 2015.01–2015.22 | |
| S/N at 5780 Åa | 618 | |
| S/N at 5892 Åa | 763 | |
| Total exposure time [s] | 8288 | |
| # spectra | 20 | |
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| HD 33608 | ||
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| Spectral type | F5.5IV-V | 1 |
| Teff | 6530 ± 100 | 2 |
| log (g) | 4.08 ± 0.07 | 2 |
| [M/H] | 0.22 ± 0.04 | 2 |
| vrot[km s-1] | 15.5 ± 0.5 | 4 |
| vrad[km s-1] | 33.90 | 1 |
| Parallaxes [mas] | 33.9 | 1 |
| Epoch of obs. [yr] | 2015.03–2015.23 | |
| S/N at 5780 Åa | 188 | |
| S/N at 5892 Åa | 234 | |
| Total exposure time [s] | 2160 | |
| # spectra | 4 | |
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| α CrB A | ||
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| Spectral type | A1IV | 5 |
| Teff | 9900 | 2 |
| log (g) | 3.89 | 5 |
| [M/H] | – | |
| vrot[km s-1] | 128.8 ± 6.2 | 4 |
| vrad[km s-1] | 1.7 | 1 |
| Parallaxes [mas] | 43.46 | 1 |
| Epoch of obs. [yr] | 2015.34 | |
| S/N at 5780 Åa | 569 | |
| S/N at 5892 Åa | 739 | |
| Total exposure time [s] | 1170 | |
| # spectra | 1 | |
| α CrB B | ||
| Spectral type | G5 | 5 |
| Teff | 5800 | 5 |
| log (g) | 4.5 | 5 |
| [M/H] | – | |
| vrot[km s-1] | – | |
Notes.
Reference. (1) Wenger et al. (2000); (2) Soubiran et al. (2010); (3) Han et al. (2014); (4) Głȩbocki & Gnaciński (2005); (5) Tomkin & Popper (1986).
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