Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...214..285b&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 214, no. 1-2, April 1989, p. 285-294.
Astronomy and Astrophysics
Astrophysics
13
B Stars, Shell Stars, Stellar Models, Stellar Spectrophotometry, Balmer Series, H Beta Line, Radial Velocity, Spectral Line Width, Stellar Envelopes, Stellar Structure
Scientific paper
On the basis of the spectroscopic data described by Ballereau and Chauville (1987), a structural modeling is developed for the shell of the Be star HD 184279 (V 1294 Aql, B1 IV-V). After a review of the main spectroscopic features and their variations betwen 1976 and 1987, several structural modelings are summarized to explain the V/R variations undergone by the spectrum of this star. Two possibilities can be retained: the hypothesis of the elongated disk model with orbital and apsidal motions (geometrical model) and the axisymmetric rotating-pulsating model (physical model). After comparison of the spectroscopic variations observed with those predicted, the elongated disk is selected.
Ballereau Dominique
Chauville Jacques
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