Astrophysics and Space Science

, Volume 78, Issue 2, pp 273–285 | Cite as

Sequential explosions of supernovae in an ob association and formation of a superbubble

  • Kohji Tomisaka
  • Asao Habe
  • Satoru Ikeuchi


From the standpoint of view that the early type stars are formed sequentially at an OB association, it is expected that the supernova explosions will also occur sequentially. We study the expansion law of a supernova remnant, which is formed by sequential explosions of supernovae. The superbubbles and supershells with the radii 200∼1000 pc are naturally explained by this model. Assuming that the sequential explosion of supernovae occurs at every OB association, we deduce the star formation rate in our Galaxy.


Formation Rate Star Formation Supernova Remnant Star Formation Rate Supernova Explosion 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© D. Reidel Publishing Co 1981

Authors and Affiliations

  • Kohji Tomisaka
    • 1
  • Asao Habe
    • 1
  • Satoru Ikeuchi
    • 1
  1. 1.Department of PhysicsHokkaido UniversitySapporoJapan

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