Active phenomena of the Be stars EW Lac observed in 1978-1982

Details Active phenomena of the Be stars EW Lac observed in 1978-1982 Active phenomena of the Be stars EW Lac observed in 1978-1982

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ap%26ss.119...69s&link_type=abstract

(IAU, Asian-Pacific Regional Meeting, 3rd, Kyoto, Japan, Sept. 30-Oct. 5, 1984) Astrophysics and Space Science (ISSN 0004-640X),

Astronomy and Astrophysics

Astrophysics

2

B Stars, H Beta Line, H Gamma Line, Shell Stars, Spectral Line Width, Stellar Activity, Emission Spectra, Line Shape, Long Term Effects, Radial Velocity, Stellar Models

Scientific paper

The long-term variations of EW Lac in the Hγ and Hβ line
profiles are presented. The active phase observed in 1978 - 1982 is
characterized by the strengthening of emission lines accompanied by
variations of radial velocities and V/R asymmetries. A model of a
rotating elliptic ring is proposed.

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