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A prominent Wolf-Rayet feature in a high-excitation H II region of NGC 4258

Published online by Cambridge University Press:  25 May 2016

Marcelo Castellanos ,
Angeles I. Díaz ,
Elena Terlevich  and
María Luisa García-Vargas
Marcelo Castellanos
Affiliation:
Depto. Física Teórica, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
Angeles I. Díaz
Affiliation:
Depto. Física Teórica, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
Elena Terlevich
Affiliation:
INAOE, Tonantzintla, Apdo. Postal 51, 72000 Puebla, Mexico
María Luisa García-Vargas
Affiliation:
Grantecan S.A., 38200 La Laguna, Tenerife, Spain

Abstract

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We report the observation of a prominent Wolf-Rayet feature in the high excitation H II region 74C (Courtés et al. 1993) of the spiral galaxy NGC4258. In order to reproduce the observed HeII λ4686 Å line luminosity, around 38 Wolf-Rayet stars in this region are needed.

Type
Part 5. Wolf-Rayet stars and other massive stars in starburst galaxies: the case of Wolf-Rayet galaxies (integrated spectra)
Information
Symposium - International Astronomical Union , Volume 193: Wolf-Rayet Phenomena in Massive Stars and Starburst Galaxies , 1999 , pp. 588 - 589
Copyright
Copyright © Astronomical Society of the Pacific 1999 

References

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