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be and shell stars

Symposium - International Astronomical Union (1)

International Astronomical Union (1)

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Period dependent variations of the shell spectrum of V923 AQL
Lubomir Iliev
Journal:

Symposium - International Astronomical Union / Volume 162 / 1994

Published online by Cambridge University Press:

26 May 2016, pp. 374-375

Print publication:

1994
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V923 Aql is a well known Be star with strong shell spectrum. It was included in the list of shell stars of Merrill and Burwell (1949). A detailed study of the radial velocity variations in the spectrum of the star based on wide collection of spectral observations was presented in the work of Koubsky et al. (1988). In this work an orbital period of 214.756 days was suggested for the binary system consisting of a B5–7 primary and low mass (0.5 Msol).