Orbital parameters of the bright binary alpha Draconis based on amateur spectra from the STAROS database
G. Bertrand, C. Buil, M. Le Lain, V. Desnoux et autres
We present the results of a STAROS monitoring campaign on the bright eclipsing binary star alpha Draconis. Over 200 high-resolution spectra were obtained by an international group of amateur astronomers. We were able to calculate an homogeneously covered radial velocity curve and …