Classical symbiotic stars at active stages.

Details Classical symbiotic stars at active stages. Classical symbiotic stars at active stages.

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008uvun.conf..182k&link_type=abstract

"Ultraviolet Universe II, Proceedings of the All-Russian Conference "UV Universe-2008" May 19-20, 2008, Moscow, Russia, Shustov,

Computer Science

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Scientific paper

The results of gasdynamic modeling allowed us to propose a possible mechanism of transition to active state in classical symbiotic stars as well as to explain the step-by-step rise to the light maximum during the out- burst. Good agreement with available observational data for Z And supports our model. Existing observations of symbiotic stars indicate the presence of winds from both components at active stages of these systems. We have carried out the gasdynamic modeling of the outburst development process in the classic symbi- otic star Z And in the framework of the colliding winds model. It is shown that contribution from the system of shocks that forms in the area of wind collision is rather significant especially at short wavelengths. Detailed investigation of flare activity of symbiotics requires additional observations and most of all in the UV range.

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