The origin of the principal system and the presence of very hot regions of novae

Details The origin of the principal system and the presence of very hot regions of novae The origin of the principal system and the presence of very hot regions of novae

Jun 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985esasp.236..181f&link_type=abstract

In ESA Recent Results on Cataclysmic Variables p 181-182 (SEE N86-20287 10-93)

Physics

Novae, Stellar Envelopes, Stellar Evolution, Stellar Mass Ejection, Interstellar Matter, Stellar Coronas, Stellar Models, Stellar Winds

Scientific paper

Collisions between high velocity material nearer the center of a nova envelope during outburst, and slower moving material further out are discussed. Within the framework of continued ejection models, the theory is similar to that for the interaction of stellar winds with the interstellar medium. The principal velocity system, which eventually contains most of the envelope mass, could be due to a shell formed by the collision of a continuously ejected wind with material ejected before maximum light. Hot gas would be formed as a result of collision from about 10 days after maximum light onwards, and could sometimes contribute significantly to the production of coronal emission lines and X ray emission.

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