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Paper: Unusual Spectroscopic Behavior of the Herbig Ae/Be Star HD 37806
Volume: 518, Physics of Magnetic Stars
Page: 144
Authors: Pavlovskiy, S. E.; Pogodin, M. A.; Beskrovnaya, N. G.; Kozlova, O. V.; Alekseev, I. Y.; Valyavin, G. G.; Miroshnichenko, A. S.; Gorda, S. Y.
Abstract: High-resolution spectra of the Herbig Be star HD 37806 obtained in 2010–2018 at three observatories (Crimean AO, OAN SPN in Mexico, and the Kourovka Observatory of Ural Federal University) are analyzed. Profiles of a number of lines originating in different parts of the circumstellar envelope demonstrate variability on a timescale from days to months, which can be interpreted as: (a) the change of the global geometric structure of the wind zone, (b) the presence of local stream-like inhomogeneities in the outflowing matter.
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