Variability of Radial Velocities of Helium Lines in the Spectrum of Delta-Orionis

Details Variability of Radial Velocities of Helium Lines in the Spectrum of Delta-Orionis Variability of Radial Velocities of Helium Lines in the Spectrum of Delta-Orionis

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988atsir1527....9z&link_type=abstract

Astronomicheskii Tsirkulyar NO.1527/MAR-A, P. 9, 1988

Astronomy and Astrophysics

Astronomy

Scientific paper

With the aim to investigate the surface of σ Ori E twelve spectra
of this star with dispersion of 9 Å/mm were obtained. More than
half of the period of rotation was covered by observations, including
the phases of maximum He I lines. Radial velocities are determined with
the help of an oblique rotator model.

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