Effects of the soft X-ray burst from SN 1987A on its circumstellar medium

  • Peter Lundqvist
  • Claes Fransson
Part of the International Astronomical Union / Union Astronomique Internationale book series (IAUH, volume 8)


The observations of the narrow UV and optical emission lines from SN 1987A are modelled as reprocessed radiation in a shell around the supernova, heated and ionized by the soft X-ray and EUV radiation at the shock breakout. Constraints on the early soft X-ray burst are discussed, as well as the physical conditions and abundances in the shell.


Emission Measure Line Flux Initial Ionization Swedish Natural Science Research Council Narrow Emission Line 
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Copyright information

© International Astronomical Union 1989

Authors and Affiliations

  • Peter Lundqvist
    • 1
  • Claes Fransson
    • 2
  1. 1.Lund ObservatoryLundSweden
  2. 2.Stockholm ObservatorySaltsjöbadenSweden

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