Skip to main content

Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

  • Letter
  • Published:

Expected high-frequency radiation from the 1.5-ms pulsar

Abstract

The 1.5-ms pulsar PSR1937 +214 has so far been observed only in the radio range1, and X-ray and γ-ray observations at energies of between 30 and 1,000 MeV have yielded only upper limits for the radiation flux1–3. An optical identification of the 1.5-ms pulsar has been proposed4, but this identification cannot yet be considered definite. Thus it is of great interest to determine in which spectral region the PSR1937 +214 pulsar shows a radiation maximum. Here I consider how the current pulsar theory answers this question, and show that the 1.5-ms pulsar should be an intense source of γ quanta with an energy of 1011 eV below which γ rays freely leave its magnetosphere. The flux of superhard γ quanta emitted by this pulsar may exceed, by an order of magnitude, the flux from the pulsar in the Crab Nebula.

This is a preview of subscription content, access via your institution

Access options

Buy this article

Prices may be subject to local taxes which are calculated during checkout

Similar content being viewed by others

References

  1. Backer, D. C., Kulkarni, S. R., Heiles, C., Davis, M. M. & Goss, W. M. Nature 300, 615–618 (1982).

    Article  ADS  Google Scholar 

  2. Swanenburg, B. N. et al. Astrophys. J. Lett. 243, L69–L73 (1981).

    Article  ADS  CAS  Google Scholar 

  3. Becker, R. H. & Helfand, D. J. Nature 302, 688–690 (1983).

    Article  ADS  Google Scholar 

  4. Djorgovski, S. Nature 300, 618–619 (1982).

    Article  ADS  Google Scholar 

  5. Ruderman, M. & Sutherland, P. Astrophys. J. 196, 51–72 (1975).

    Article  ADS  CAS  Google Scholar 

  6. Hardee, P. E. Astrophys. J. 216, 873–880 (1977).

    Article  ADS  Google Scholar 

  7. Erber, T. Rev. mod. Phys. 38, 626–647 (1966).

    Article  ADS  MathSciNet  CAS  Google Scholar 

  8. Sturrock, P. A. Astrophys. J. 164, 529–556 (1971).

    Article  ADS  CAS  Google Scholar 

  9. Ochelkov, Yu. P. & Usov, V. V. Astrophys. Space Sci. 69, 439–460 (1980).

    Article  ADS  CAS  Google Scholar 

  10. Lominadze, J. G., Machabeli, G. Z. & Usov, V. V. Astrophys. Space Sci. 90, 19–43 (1983).

    Article  ADS  Google Scholar 

  11. Grindlay, J. E., Helmken, H. F. & Weeken, T. C. Astrophys. J. 209, 592–601 (1976).

    Article  ADS  Google Scholar 

  12. Gupta, S. K. et al. Astrophys. J. 221, 268–273 (1978).

    Article  ADS  Google Scholar 

  13. Arons, J. Proc. Workshop ‘Plasma Astrophysics’, Varenna, Italy, 273–286 (1981).

    Google Scholar 

  14. Arons, J. Proc. IAU Symp. 94, 175–203 (1981).

    ADS  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

Usov, V. Expected high-frequency radiation from the 1.5-ms pulsar. Nature 305, 409–410 (1983). https://doi.org/10.1038/305409a0

Download citation

  • Received:

  • Accepted:

  • Issue Date:

  • DOI: https://doi.org/10.1038/305409a0

This article is cited by

Comments

By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.

Search

Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing