Active phenomena in the pre-main sequence Herbig AE star HD 163296

Details Active phenomena in the pre-main sequence Herbig AE star HD 163296 Active phenomena in the pre-main sequence Herbig AE star HD 163296

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...221..273c&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 221, no. 2, Sept. 1989, p. 273-286. Previously announced in STAR as N89-16548.

Astronomy and Astrophysics

Astronomy

38

Iue, Pre-Main Sequence Stars, Spaceborne Astronomy, Stellar Activity, Ultraviolet Astronomy, Ultraviolet Spectra, Calcium, Line Spectra, Magnesium, Resonance Lines, Stellar Rotation

Scientific paper

Observations by IUE of the short-term variability of the Mg II and Ca II resonance lines in the Herbig Ae star HD 163296 are presented. Evidence that these lines show a phenomenon of rotational modulation, similar to the one observed in AB Aur, another Herbig Ae star is found. The variations in the spectrum of HD 163296 are even more conspicuous than in the spectrum of AB Aur. Magnetically structured winds may thus be a widespread phenomenon among the pre-main sequence Herbig Ae/Be stars.

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