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A star powered by magnetism

Author

Listed:
  • S. R. Kulkarni

    (Mathematics and Astronomy)

  • Christopher Thompson

    (University of North Carolina)

Abstract

Soft gamma-ray repeaters (SGRs) are a rare class of astronomical object that are associated with young neutron stars born in supernova explosions. There is indirect evidence that SGR neutron stars have very strong magnetic fields — hence their designation as so-called ‘magnetars’. New observations of the X-ray flux from one of these objects now provide a stronger case for massive magnetism (1014gauss or more) and that the source of the gamma-ray bursts is sudden fracture of the star's rigid crust.

Suggested Citation

  • S. R. Kulkarni & Christopher Thompson, 1998. "A star powered by magnetism," Nature, Nature, vol. 393(6682), pages 215-216, May.
    • Handle: RePEc:nat:nature:v:393:y:1998:i:6682:d:10.1038_30357
    DOI: 10.1038/30357
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