The Sigma-D relation, or Σ-D Relation, is the radio surface brightness to diameter relation of a supernova remnant.[1]

See also

References

  1. ↑ Urošević, D. et al. (2009) Sigma-D relation for supernova remnants and its dependent on the density of the interstellar medium, Astronomy and Astrophysics, 495, 537-546


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