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On the interpretation of emission wings of balmer lines in LBV’s

Published online by Cambridge University Press:  12 April 2016

Ivan Hubeny  and
Claus Leitherer
Ivan Hubeny
Affiliation:
Joint Institute for Laboratory Astrophysics University of Colorado and National Bureau of StandardsBoulder, Colorado 80309-0440USA
Claus Leitherer
Affiliation:
Joint Institute for Laboratory Astrophysics University of Colorado and National Bureau of StandardsBoulder, Colorado 80309-0440USA

Extract

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The optical spectra of Luminous Blue Variables (LBV’s) are characterized by strong Balraer emission lines. In many cases, the narrow emission component (FWHM ≤ 300 km/sec) shows extended emission wings reaching up to -1000 km/sec. These wings are generally attributed to electron scattering of line photons in the dense stellar wind (Bernat and Lambert 1978). In this paper we discuss an alternative mechanism which may partly contribute to the observed line wings.

Type
Section II: Poster Papers, A Brief List of Catalogs, and Index
Information
International Astronomical Union Colloquium , Volume 113: Physics of Luminous Blue Variables , 1989 , pp. 283 - 284
Copyright
Copyright © Kluwer 1989

References

Abbott, D. C., and Hummer, D. G. 1985, Ap. J., 294, 286.Google Scholar
Bernat, A. P., and Lambert, D. L. 1978, Pub. A. S. P. , 90, 520.CrossRefGoogle Scholar
Hubeny, I. 1988, Computer Phys. Commun . (in press).Google Scholar