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A New Class of Pulsars

MAR 01, 1990
Binary pulsars, pulsars with millisecond periods and pulsars in globular clusters are distinguished by their evolutionary histories, and are providing tools for fundamental tests of physics.

DOI: 10.1063/1.881227

Donald C. Backer
Shrinivas R. Kulkarni

In 1939, seven years after the discovery of the neutron, nuclear physicists constructed the first models of a “neutron star.” Stable results were found with masses comparable to the Sun’s and radii of about 10 km.

References

  1. 1. A. Hewish, S. J. Bell, J. D. H. Pilkington, P. F. Scott, R. A. Collins, Nature 217, 709 (1968).https://doi.org/NATUAS

  2. 2. J. H. Taylor, D. R. Stinebring, Annu. Rev. Astron. Astrophys. 24, 285 (1986).https://doi.org/ARAAAJ

  3. 3. D. J. Helfand, J.‐H. Huang, eds., The Origin and Evolution of Neutron Stars, Proc. IAU Symp. 125, Reidel, Dordrecht, The Netherlands (1986).

  4. 4. N. E. White, L. Filipov, eds., The Physics of Compact Objects—Theory vs Observations, Proc. COSPAR‐IAU Symp., Pergamon, Elmsford, N.Y. (1988).

  5. 5. H. Ögelman, E. P. J. van den Heuvel, eds., Timing Neutron Stars, Proc. NATO Adv. Study Inst., Kluwer, Dordrecht, The Netherlands (1989).

  6. 6. F. C. Michel, Rev. Mod. Phys. 54, 1 (1982). https://doi.org/RMPHAT
    V. S. Beskin, A. V. Gurevich, Ya. N. Istomin, Sov. Astron. Lett., 14, 93 (1986)

  7. 7. R. Hulse, J. H. Taylor, Astrophys. J. 195, L51 (1975).

  8. 8. D. C. Backer, S. Kulkarni, C. Heiles, M. M. Davis, W. M. Goss, Nature 300, 615 (1982).https://doi.org/NATUAS

  9. 9. A. S. Fruchter, D. R. Stinebring, J. H. Taylor, Nature 333, 237 (1988).https://doi.org/NATUAS

  10. 10. A. G. Lyne, A. Brinklow, J. Middleditch, S. R. Kulkarni, D. C. Backer, T. R. Clifton, Nature 328, 399 (1987).https://doi.org/NATUAS

  11. 11. S. Anderson, P. Gorham, S. Kulkarni, T. Prince, A. Wolszczan, IAU Circ. nos. 4762 and 4772 (1989).

  12. 12. A. G. Lyne, R. N. Manchester, M.N.R.A.S. 234, 477 (1988).

  13. 13. F. Lamb, in The Physics of Compact Objects—Theory vs Observations, Proc. COSPAR‐IAU Symp., N. E. White, L. Filipov, eds., Pergamon, Elmsford, N.Y. (1988).

  14. 14. S. Kulkarni, Astrophys. J. 306, L85 (1988).https://doi.org/ASJOAB

  15. 15. M. Ruderman, J. Shaham, M. Tavani, D. Eichler, Astrophys. J. 343, 292 (1989).https://doi.org/ASJOAB

  16. 16. F. Verbunt, in Timing Neutron Stars, Proc. NATO Adv. Study Inst., H. Ögelman, E. P. J. van den Heuvel, eds., Kluwer, Dordrecht, The Netherlands (1989).

  17. 17. S. R. Kulkarni, R. Narayan, R. W. Romani, Astrophys. J., in press (1990).

  18. 18. C. D. Bailyn, J. E. Grindlay, Astrophys. J., in press (1990).

  19. 19. D. C. Backer, R. W. Hellings, Annu. Rev. Astron. Astrophys 24, 537 (1986).

  20. 20. J. M. Weisberg, J. H. Taylor, Phys. Rev. Lett. 52, 1348 (1984). https://doi.org/PRLTAO
    J. H. Taylor, J. M. Weisberg, Astrophys. J. 345, 434 (1989). https://doi.org/ASJOAB

  21. 21. T. Damour, N. Deruelle, Ann. Inst. Henri Poincaré 43, 107 (1985).

  22. 22. L. A. Rawley, J. H. Taylor, M. M. Davis, D. W. Allan, Science 238, 761 (1987).

  23. 23. R. W. Romani, Phys. Lett. B 215, 477 (1988).

  24. 24. S. Detweiler, Astrophys. J. 234, 1100 (1979).https://doi.org/ASJOAB

More about the Authors

Donald C. Backer. University of California, Berkeley.

Shrinivas R. Kulkarni. California Institute of Technology.

This Content Appeared In
pt-cover_1990_03.jpeg

Volume 43, Number 3

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