Spectroscopic observations of the Be star Zeta Tauri

Details Spectroscopic observations of the Be star Zeta Tauri Spectroscopic observations of the Be star Zeta Tauri

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.161...27g&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 161, no. 1, Nov. 1989, p. 27-34.

Astronomy and Astrophysics

Astrophysics

2

B Stars, Stellar Spectrophotometry, Variable Stars, Astronomical Observatories, Balmer Series, H Lines, Radial Velocity, Stellar Envelopes, Visible Spectrum

Scientific paper

Spectroscopic observations of the Be star Zeta Tau (HR 1910), for the period January 17-24, 1983, are reported. Radial velocities of the measured lines seem to indicate that the inner layers of the shell were falling to the stellar surface, while the outer ones were going away. There are indications about short-term variability of line profiles: a short discussion is carried out about the meaningful of this behavior. The periodic variations (P = 0.85d) of He I 6678 line seem quite well established.

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