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Simultaneous uvbyβ photometry and Hα spectroscopy of Be stars in open clusters

Published online by Cambridge University Press:  26 May 2016

J. Fabregat ,
J.M. Torrejón ,
P. Reig  and
G. Bernabeu
J. Fabregat
Affiliation:
Dep. de Matemática Aplicada y Astronomía, Universidad de Valencia, 46100 Burjassot, Valencia, Spain
J.M. Torrejón
Affiliation:
Dep. de Matemática Aplicada y Astronomía, Universidad de Valencia, 46100 Burjassot, Valencia, Spain
P. Reig
Affiliation:
Dep. de Matemática Aplicada y Astronomía, Universidad de Valencia, 46100 Burjassot, Valencia, Spain
G. Bernabeu
Affiliation:
Dep. de Ingeniería de Sistemas y Comunicaciones, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain

Extract

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The usual methods of spectral clasification, equivalent widths of Balmer lines or photometric calibrations are not suitable for the determination of the astrophysical parameters of the underlying star in Be-type objects. The spectrum is distorted by the circumstellar envelope lines, while the contribution of the envelope continuum radiation contaminates the photometric indices.

Type
5. Be Stars: Spectroscopy and Photometry
Information
Symposium - International Astronomical Union , Volume 162: Pulsation, Rotation and Mass Loss in Early-Type Stars , 1994 , pp. 309 - 310
Copyright
Copyright © Kluwer 1994 

References

Crawford, D.L., Glaspey, J.W. and Perry, C.L.: 1970, AJ 75, 822 Google Scholar
Fabregat, J. and Reglero, V:: 1990, MNRAS 247, 407 Google Scholar
Kaiser, D: 1990, A&A 222, 187 Google Scholar