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The on Stars: A Wider Spectroscopic Definition

Published online by Cambridge University Press:  14 August 2015

G.F. Bisiacchi ,
J. López  and
C. Firmani
G.F. Bisiacchi
Affiliation:
Instituto de Astronomía Universidad Nacional Autónoma de México
J. López
Affiliation:
Instituto de Astronomía Universidad Nacional Autónoma de México
C. Firmani
Affiliation:
Instituto de Astronomía Universidad Nacional Autónoma de México

Extract

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During the last years, many authors have recognized the existence of some OB stars that show the nitrogen absorption lines enhanced (Walborn 1970, 1971; Conti 1973; Jashek and Jashek 1974).

Type
SESSION 5 — EVOLUTIONARY STATUS OF WOLF-RAYET STARS
Information
Symposium - International Astronomical Union , Volume 99: Wolf-Rayet Stars: Observations, Physics, Evolution , 1982 , pp. 393 - 396
Copyright
Copyright © Reidel 1982 

References

Carrasco, L., Bisiacchi, G.F., Cruz-González, C., Firmani, C., and Costero, R. 1980, Astron. Astrophys. , 92, 253.Google Scholar
Conti, P.S. 1973, Ap. J. , 179, 161.CrossRefGoogle Scholar
Cruz-González, C., Recillas-Cruz, E., Costero, R., Peimbert, M., and Torres-Peimbert, S. 1974, Rev. Mèxicana Astron. Astrof. , 1, 211.Google Scholar
Jaschek, M. and Jashek, C. 1974, Astron. Astrophys. , 36, 401.Google Scholar
Walborn, N.R. 1970, Ap. J. , 161, L149.CrossRefGoogle Scholar
Walborn, N.R. 1971, Ap. J. Suppl. , 198, 257.CrossRefGoogle Scholar