Spectroscopic state of the Be star Zeta Tauri in 1976-1986

Details Spectroscopic state of the Be star Zeta Tauri in 1976-1986 Spectroscopic state of the Be star Zeta Tauri in 1976-1986

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasj...44...73m&link_type=abstract

PASJ: Publications of the Astronomical Society of Japan (ISSN 0004-6264), vol. 44, no. 1, p. 73-75.

Astronomy and Astrophysics

Astrophysics

10

Absorption Spectra, B Stars, Stellar Spectra, H Alpha Line, H Beta Line, Radial Velocity, Secular Variations, Stellar Spectrophotometry, Taurus Constellation

Scientific paper

The long-term variations of the radial velocities (RV) of the shell absorption lines and the violet-to-red ratio (V/R) of the emission double peaks of Zeta Tau are examined, based on spectrograms taken at the Okayama Astrophysical Observatory. It is found that the pseudo-periodic variation was terminated around 1982 and that Zeta Tau seems to have entered a new quiet phase in its long-term activity.

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