The sources of celestial X-ray bursts

Details The sources of celestial X-ray bursts The sources of celestial X-ray bursts

May 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981sciam.244...72l&link_type=abstract

Scientific American, vol. 244, May 1981, p. 72-82.

Astronomy and Astrophysics

Astronomy

1

Binary Stars, Black Holes (Astronomy), Bursts, Neutron Stars, Thermonuclear Explosions, X Ray Sources, Helium, Hydrogen, Nuclear Fusion, Stellar Radiation

Scientific paper

It is posited that celestial X-ray bursts are caused by thermonuclear flashes in binary star systems in which one member of the pair is a dense neutron star. Hydrogen is ripped from the surface of the companion star by the neutron star's gravitational field. A continuous emission of X-rays is produced as the hydrogen falls to the surface of the neutron star. Helium is formed by the fusion of hydrogen nuclei and produces a helium layer below the hydrogen. When the temperature and density of the helium layer become critical, carbon is produced by sudden thermonuclear fusion. The resulting flash is seen as a burst of X-rays.

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