The He II line 4686 in WN binaries

Details The He II line 4686 in WN binaries The He II line 4686 in WN binaries

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987japa....8..183s&link_type=abstract

Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 8, June 1987, p. 183-194.

Astronomy and Astrophysics

Astrophysics

4

Binary Stars, Line Spectra, Stellar Spectra, Astronomical Catalogs, Flux Quantization, Helium, Radial Velocity

Scientific paper

The behaviour of the λ4686 line of He II in various WN binaries is studied for variations in total flux as well as radial velocities. It appears that the true motion of the WN component is not depicted by this line especially for short-period binaries. A qualitative explanation is sought in terms of a large, extended line-emitting region and multiple-component line profile.

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