DOI: https://doi.org/10.18524/1810-4215.2008.21.86870

ACTIVIVE PHENOMENA OBSERVED IN ATMOSPHERIC LINES OF THE HERBIG AE STAR HD163296

M. A. Pogodin, M. M. Guimaraes, S. H.P. Alencar, W. J.B. Corradi, S. L.A. Vieira

Анотація


We present new results of a high- resolution spectroscopic investigation of the young Ae Herbig star HD163296. Nineteen spectra of this object had been obtained on May 8 - 10, 2002 at the ESO with the FEROS high-resolution echelle spectrometer (R=48000) installed at the 1.52m telescope. We have revealed a variability in a number of atmospheric lines of some ionized metals. This variability correlates with spectral parameters connected with the accretion process. In the night on May 8 a correlation of the atmospheric activity with the intensity of the outflowing matter was also observed. An interpretation of these phenomena is considered in the framework of several model.

Ключові слова


Stars; pre-main sequence; circumstellar matter; stars; spectroscopy; stars; individual; HD163296

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Посилання


Baade D., Stahl O.: 1989, A&A 209, 268.

Guimaraes M.M., Alencar S.H.P ., Corradi W.J.B., Vieira S.L.A.: 2006, A&A, 457, 581.

Piskunov N.E.: 1992, Stellar Magnetism, 92.

Pogodin M.A., Guimaraes M.M., Alencar S.H.P ., Corradi W.J.B., Vieira S.L.A.: 2007, Odessa Astron. Publ., 20, 182.




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