Gamma ray bursts and neutron star accretion of a solid body

Details Gamma ray bursts and neutron star accretion of a solid body Gamma ray bursts and neutron star accretion of a solid body

Sep 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...248..771c&link_type=abstract

Astrophysical Journal, Part 1, vol. 248, Sept. 1, 1981, p. 771-782.

Physics

66

Gamma Ray Bursts, Neutron Stars, Stellar Mass Accretion, Matter (Physics), Stellar Gravitation, Stellar Magnetic Fields, Stellar Radiation, Stellar Temperature

Scientific paper

In order to explain the Mar. 5, 1979 gamma burst in which a 0.1 sec burst of hard X-rays was followed by a protracted 8 sec pulsation, the sequence of events that would probably take place if a comet or asteroid made a direct impact on a neutron star is described. A local 100 pc origin; a cold, magnetized neutron star; and an impacting comet or asteroid of 10 to the 18th g are assumed. The flow after tidal breakup is compressive and elongates the body. The neutron star surface interaction causes a local explosion and expansion of matter onto a fan of flux tubes. The restricted area, the fall back at the conjugate field points, and storage of matter at high L or flux surface radii result in a spectrum and flux that offers a reasonable explanation of the March 5 event.

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