On the interpretation of emission wings of Balmer lines in luminous blue variables

Details On the interpretation of emission wings of Balmer lines in luminous blue variables On the interpretation of emission wings of Balmer lines in luminous blue variables

Jan 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pasp..101..114h&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 101, Jan. 1989, p. 114-117.

Astronomy and Astrophysics

Astronomy

10

Blue Stars, Emission Spectra, H Alpha Line, Stellar Atmospheres, Stellar Winds, Variable Stars, Atmospheric Models, Helium, Stellar Spectra, Temperature Distribution

Scientific paper

H-alpha line profiles calculated with plane-parallel, hydrostatic non-LTE model atmospheres are discussed. In the lowest log g models the profiles show extended emission wings. Qualitatively, these wings are similar to the extended wings generated by electron scattering of line photons in the stellar wind. It is proposed that the line wings observed in luminous blue variables may be due to a combination of the non-LTE effect discussed here and the traditional scattering mechanism.

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