Computer Science – Numerical Analysis
Scientific paper
Jun 1977
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977sva....21..374i&link_type=abstract
(Astronomicheskii Zhurnal, vol. 54, May-June 1977, p. 661-673.) Soviet Astronomy, vol. 21, May-June 1977, p. 374-381. Translati
Computer Science
Numerical Analysis
3
Novae, Stellar Evolution, Stellar Structure, Stellar Temperature, Thermonuclear Explosions, Abundance, Carbon, Deflagration, Kinetic Energy, Numerical Analysis, Stellar Gravitation, Stellar Mass, Stellar Models, Temperature Profiles
Scientific paper
Different initial temperature profiles, which imitate the thermal stage of a core's explosion, were used in numerical studies of the thermonuclear explosion of a star's degenerate carbon core. When the most plausible profile is used, a relatively weak stellar explosion producing about 10 to the 50th ergs of kinetic energy is described; this amount of energy falls below the lower limit produced by a supernova. The explosion has the characteristics of a pulsation instability, and the burning is of the deflagration type, which only in some circumstances proceeds to detonation. For the central density value used in these calculations, the formation of a gravitationally bound residue-type neutron star would not occur whatever the initial temperature profile.
Chechetkin V. M.
Imshennik Vladimir S.
Ivanova Nataliya L.
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