A numerical model of an explosion near the surface of a neutron star and gamma-ray bursts

Astronomy and Astrophysics – Astronomy

Scientific paper

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Gamma Ray Bursts, Neutron Stars, Nuclear Explosions, Shock Heating, Stellar Models, Gamma Ray Astronomy, Plasma Heating, Stellar Coronas, Stellar Envelopes, Stellar Mass Ejection, Stellar Temperature

Scientific paper

The consequences of an explosive release of energy at a depth of several tens of meters below the surface of a neutron star are examined within the framework of a spherically symmetrical hydrodynamic model. It is found that the emergence of the shock wave at the surface of a star with a mass of 1 solar mass and a radius of 10 km can provide for heating to a temperature of about 150 keV in a time of much less than 10 to the -4th sec with an efficiency of energy release per unit mass of 0.003 times the speed of light squared and with an explosion energy made possible on the basis of observations of gamma-ray bursts.

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