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Short-term spectroscopic variations of the southern Be star 48 Lib

Published online by Cambridge University Press:  26 May 2016

M. Floquet ,
A.M. Hubert ,
H. Hubert ,
E. Janot-Pacheco  and
N.V. Leister
M. Floquet
Affiliation:
Observatoire de Paris, Section d'Astrophysique de Meudon, URA 335 du CNRS, F-92195 Meudon Cedex, France
A.M. Hubert
Affiliation:
Observatoire de Paris, Section d'Astrophysique de Meudon, URA 335 du CNRS, F-92195 Meudon Cedex, France
H. Hubert
Affiliation:
Observatoire de Paris, Section d'Astrophysique de Meudon, URA 335 du CNRS, F-92195 Meudon Cedex, France
E. Janot-Pacheco
Affiliation:
Instituto Astronomico e Geofisico, Sao Paulo University, Brazil
N.V. Leister
Affiliation:
Instituto Astronomico e Geofisico, Sao Paulo University, Brazil

Extract

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48 Lib (B3IV, vsin i=395 km/s) is a well known Be shell star. Cuypers et al. (1989) found a period of 0.4017 d, the single wave light curve being asymmetric. Rapid variations in the radial velocity of metallic shell lines have been found by Ringuelet-Kaswalder (1963) with a period of 0.115 d.

Type
6. Be Stars: Circumstellar Environment
Information
Symposium - International Astronomical Union , Volume 162: Pulsation, Rotation and Mass Loss in Early-Type Stars , 1994 , pp. 364 - 365
Copyright
Copyright © Kluwer 1994 

References

Cuypers, J., Balona, L.A., Marang, F.: 1989, Astronomy and Astrophysics, Supplement Series 81, 151 Google Scholar
Ringuelet-Kaswalder, A.E.: 1963, Astrophysical Journal 137, 1310 Google Scholar