Israelian G.; Herrero A.; Musaev F.; Kaufer A.; Galeev A.; Galazutdinov G.; Santolaya-Rey E.
(2000)
We report spectral time series of the late O-type runaway supergiant HD 188209. Radial velocity variations of photospheric absorption lines with a possible quasi-period of ∼6.4 d have been detected in high-resolution echelle ...