Astrophysics and Space Science

, Volume 2, Issue 1, pp 96–114

Supernovae explosions induced by pair-production instability

  • Gary S. Fraley
Article

Abstract

Stars with a core mass greater than about 30 M ⊙ become dynamically unstable due to electron-positron pair production when their central temperature reaches 1.5–2.0×109oK. The colapse and subsequent explosion of stars with core masses of 45, 52, and 60 M ⊙ is calculated. The range of the final velocity of expansion (3400–8500 km/sec) and of the mass ejected (1–40 M ⊙) is comparable to that observed for type II supernovae. A dynamical model of convection is derived and included in the calculations. It was found that the effect of the convection on the explosions is probably not important.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. Arnett, D.: 1967,Can. J. Phys. 45, 1621.Google Scholar
  2. Barkat, Z., Rakavy, G., andSack, N.: 1967,Phys. Rev. Letters 18, 379.Google Scholar
  3. Batchelor, G. K.: 1953,The Theory of Homogeneous Turbulence, The University Press, Cambridge, pp. 103–116.Google Scholar
  4. Chiu, H. Y.: 1961,Phys. Rev. 123, 1040.Google Scholar
  5. Colgate, S. A. andWhite, R. H.: 1966,Astrophys. J. 143, 626.Google Scholar
  6. Cowling, T. G.: 1936,Monthly Notices Roy. Astron. Soc. 96, 42.Google Scholar
  7. Finzi, A. andWolf, R. A.: 1966, submitted for publication.Google Scholar
  8. Fowler, W. A. andHoyle, F.: 1964,Astrophys. J. Suppl. 91, Vol. IX, 201.Google Scholar
  9. Levine, M. J.: 1963, Ph.D. thesis, California Institute of Technology (unpublished).Google Scholar
  10. Ono, Y. andSakahita, S.: 1962,J. Phys. Soc. Japan 17, Suppl. A-III, 153.Google Scholar
  11. Rakavy, G. andShaviv, G.: 1966, submitted for publication.Google Scholar
  12. Richtmyer, R. D.: 1957,Difference Methods for Initial-Value Problems, Interscience Publishers, Inc., New York, pp. 208–215.Google Scholar
  13. Shklovskii, I. S.: 1960,Sov. Astron. 4, 355.Google Scholar

Copyright information

© D. Reidel Publishing Company 1968

Authors and Affiliations

  • Gary S. Fraley
    • 1
  1. 1.California Institute of TechnologyPasadenaUSA
  2. 2.Los Alamos Scientific LaboratoryLos AlamosUSA

Personalised recommendations