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Correlations Between BCD Parameters of the Continuous Spectrum and the Balmer Decrement of Be Stars

Published online by Cambridge University Press:  14 August 2015

L. Divan ,
J. Zorec  and
D. Briot
L. Divan
Affiliation:
Institut d'Astrophysique, Paris, France
J. Zorec
Affiliation:
Laboratoire d'Astrophysique, Collège de France
D. Briot
Affiliation:
Observatoire de Paris France

Extract

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One of the greatest difficulties in interpreting the continuous spectrum of Be stars is to separate the effects of interstellar reddening from the effects due to the presence of the envelope. This difficulty has been avoided in the two types of correlations considered here. In the first one, parameters not affected by interstellar reddening are used (the Balmer jump and the Balmer decrement). In the second one, the parameters used can be affected by the interstellar extinction but comparisons are made only between values which correspond to the same (but variable) Be star, at different epochs, with different amounts of emission.

Information

Type
I. Photometry
Information
Symposium - International Astronomical Union , Volume 98: Be Stars , 1982 , pp. 53 - 56
Copyright
Copyright © Reidel 1982 

References

Briot, D.: 1971, Astron. Astrophys. 11, 57 Google Scholar
Briot, D.: 1981, Astron. Astrophys. in press Google Scholar
Divan, L.: 1979, IAU Colloquium 47: Spectral classification of the Future; Mc Carthy, , Philip, , Coyne, (eds), Vatican Observatory, p. 247 Google Scholar