IUE observations of HL CMa and the winds of cataclysmic variables

Details IUE observations of HL CMa and the winds of cataclysmic variables IUE observations of HL CMa and the winds of cataclysmic variables

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ap%26ss.130..269m&link_type=abstract

(IAU, DFG, and Bayerisches Staatsministerium für Unterricht und Kultus, Colloquium on Cataclysmic Variables, Recent Multi-Freque

Astronomy and Astrophysics

Astrophysics

6

Cataclysmic Variables, Dwarf Novae, Iue, Stellar Winds, Ultraviolet Spectra, Accretion Disks, Ionized Gases

Scientific paper

As evidenced by the P Cygni profiles of their ultraviolet resonance lines, cataclysmic variables - like early-type stars - are known to have extensive, high velocity winds. Assisted by AAVSO visual data and IUE ultraviolet spectra, an observational and theoretical study of the P Cygni profiles of the dwarf nova HL CMa is presented. As these profiles are dependent upon the ionization structure of the wind, the authors describe a model of a radiatively-driven shocked wind for cataclysmic variables, and present results for the temperature and ionization structure of the outflowing gas.

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