Ultraviolet P-Cygni profile variations in HD 50896

Details Ultraviolet P-Cygni profile variations in HD 50896 Ultraviolet P-Cygni profile variations in HD 50896

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26as...77..269w&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 77, no. 2, Feb. 1989, p. 269-319.

Astronomy and Astrophysics

Astrophysics

28

Companion Stars, Stellar Spectra, Ultraviolet Spectra, Wolf-Rayet Stars, Cygnus Constellation, Iue, Neutron Stars, Radial Velocity, Variable Stars

Scientific paper

An analysis of 68 high-resolution IUE UV spectra of HD 50896 obtained at 9 separate epochs during the 1978-1983 period is presented. No evidence is found for the presence of a neutron star companion, and it is suggested that the observed UV profile variations are due to changes which are intrinsic to the WN5 stellar wind. The 46 spectra obtained during 1983 show only small-scale changes when compared to other epochs, and may reflect a period of relative quiescence.

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