Critical luminosity of compact stars with strong magnetic fields

Details Critical luminosity of compact stars with strong magnetic fields Critical luminosity of compact stars with strong magnetic fields

Apr 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981azh....58..309m&link_type=abstract

Astronomicheskii Zhurnal, vol. 58, Mar.-Apr. 1981, p. 309-311. In Russian.

Astronomy and Astrophysics

Astronomy

12

Flare Stars, Gamma Ray Astronomy, Neutron Stars, Stellar Luminosity, Stellar Magnetic Fields, X Ray Sources, Binary Stars, Dwarf Stars, Plasma Acceleration, Pulsars, Radiation Pressure, Stellar Mass Accretion, Stellar Mass Ejection

Scientific paper

A comparison of estimates of X-ray and gamma-ray source luminosities shows that the generation of radiation in such sources occurs in essentially supercritical conditions due to an increase of radiation pressure in strong magnetic fields. It is found that, at a fixed emission temperature, the radiation pressure depends on the magnetic field strength. If the radiative flux significantly exceeds the critical value, plasma ejection must occur along the magnetic field lines, with the particle energy attaining relativistic values. The spectrum of such X-ray bursters is described by Planck's law with an emission temperature of 3 keV and a characteristic luminosity of 10 to the 37th erg/sec.

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