Table 1: The collected spectra for each stellar target, giving the corresponding spectrograph, the resolving power, the Julian date (HJD) and signal-to-noise ratio ( S/N) for each observation. The S/N for ÉLODIE spectra is estimated at 5550 Å. Values of $v~\sin{i}$ are from Royer et al. (2002) and given in km s-1.
Object Sp. type Instrument $\lambda/\Delta \lambda$ HJD S/N $v~\sin{i}$
Altair A7IV/V ÉLODIE 42 000 24 52 914.2574 180 $\sim$220
        2 452 914.2600 200  
        2 452 914.2628 280  
        2 452 914.2655 230  
        2 452 914.2683 250  
HD 27819 A7IV/V ÉLODIE 42 000 2 450 499.4221 180 $\sim$40
$\gamma $ Boo A7III/IV FOCES 40 000 2 452 336.0736 300 $\sim$130
HD 118623 A7III FOCES 40 000 2 452 332.1416 300 $\sim$210


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