CV Serpentis: C III in the optical and UV

Details CV Serpentis: C III in the optical and UV CV Serpentis: C III in the optical and UV

Sep 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986esasp.263..505s&link_type=abstract

In ESA Proceedings of an International Symposium on New Insights in Astrophysics. Eight Years of UV Astronomy with IUE p 505-50

Astronomy and Astrophysics

Astrophysics

Eclipsing Binary Stars, Stellar Mass Ejection, Stellar Models, Stellar Spectrophotometry, Stellar Winds, Iue, Stellar Envelopes, Ultraviolet Spectra

Scientific paper

The wind of the WC8 star in the binary CV Ser has been modelled by a spherically symmetric series of shells through which the light of the O8-9 V star passes, along changing sight-lines, during the course of its 29 day period. Examination of the flux in the C III] λ1909 Å line on a series of IUE spectra taken at 0.1 phase intervals throughout the cycle, together with published optical photometry of the λ4650 Å feature, which is dominated by C III multiplet 1, leads directly to an estimate of the excitation variation throughout the envelope. This could, in turn, lead to a determination of the velocity law in the wind.

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