Other
Scientific paper
Aug 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007jena.confe..43f&link_type=abstract
"JENAM-2007, "Our non-stable Universe", held 20-25 August 2007 in Yerevan, Armenia. Abstract book, p. 43-43"
Other
Scientific paper
We present a simple numerical model of the X-ray emission of the system XTE J0421+560/CI Cam during its bright outburst on 31 March 1998. Basing on the spectral and timing behavior of the object we argue that this outburst is a prompt X-ray/hard X-ray emission of a classical nova-type explosion (thermonuclear runaway on the surface of the white dwarf) unlike many other outbursts of X-ray binary systems. The thermonuclear runaway on the surface of the white dwarf leads to the formation of fast ejecta which moves through the dense stellar wind of the optical companion (B giant). Shock waves, which are formed in the material of the wind and that of the ejecta heats the matter up to X-ray temperatures. We use the spherically symmetric Lagrangian hydro- simulation to follow the evolution of the explosion. Up to now we have extensively simulated early phases of the outburst and showed that using of physically motivated simulations one can put constrains on the velocity of the ejecta and the stellar companion mass loss rate. In order to follow X-ray evolution throughout the whole outburst we develop a fully adaptive code.
Filippova Ekaterina V.
Lutovinov Alexander A.
Revnivtsev Mike
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