Computer Science
Scientific paper
Jul 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984esasp.218..378d&link_type=abstract
In ESA 4th European IUE Conf. p 378-389 (SEE N84-35135 24-88)
Computer Science
Data Correlation, Stellar Mass Ejection, Stellar Winds, Ultraviolet Spectra, Variable Stars, Carbon Compounds, Eclipsing Binary Stars, Line Spectra, Nitrogen, Resonance Scattering, Silicon Compounds
Scientific paper
To investigate the structure of winds in cataclysmic variables the ultraviolet spectra of two such systems during eclipse were studied. The relative and absolute strengths of the ultraviolet resonance lines, N V 1240, C IV 1549 and Si IV 1397, as well as their lack of eclipsing behavior may indicate that these lines are extremely optically thick to resonance scattering. This demands both high mass loss rates and the coexistence of quite large fractions of N4+, C3+ and Si3+. The theoretically predicted ionization structure of a spherical wind originating from the white dwarf region is compared with the structure suggested by the observations. The wind of the secondary may be important.
Drew Janet E.
Verbunt Frank
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