Journal of Astrophysics and Astronomy

, Volume 16, Issue 2, pp 165–171 | Cite as

Millisecond pulsar radiation properties

  • D. C. Backer


Two investigations of millisecond pulsar radiation are discussed: average total intensity pulse morphology and individual pulse to pulse fluctuations. The average emission profiles of millisecond pulsars are compared with those of slower pulsars in the context of polar cap models. In general the full widths of pulsar emission regions continue to widen inversely with periodP as P-(0.30-0.5) as expected for dipole polar cap models. Many pulse components are very narrow. The period scaling of pulsar profiles -separations and widths -can tell us about the angular distribution of radiating currents. An investigation of individual pulses from two millisecond pulsars at 430 MHz shows erratic pulse to pulse variations similar to that seen in slow pulsars. PSR B1937+21 displays occasional strong pulses that are located in the trailing edge of the average profile with relative flux densities in the range of 100 to 400. These are similar to the giant pulses seen in the Crab pulsar.


Neutron Star Interstellar Medium Millisecond Pulsar Individual Pulse Period Relation 
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.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. Backer, D. C. 1976,Astrophyhs. J.,209, 895CrossRefADSGoogle Scholar
  2. Backer, D. C. 1984,J. Astrophys. Astron.,5, 187CrossRefADSGoogle Scholar
  3. Chen, K., & Ruderman, M. 1993,Astrophys. J., 408, 179Google Scholar
  4. Fruchter, A. S.,et al. 1990,Astrophys. J.,351, 642CrossRefADSGoogle Scholar
  5. Hankins, T. H., & Rickett, B. J. 1987,Ap. J.,311 684CrossRefADSGoogle Scholar
  6. Johnston, S.,et al. 1993,Nature, 361, 613Google Scholar
  7. Lyne, A. G., & Manchester, R. N. 1988,Mon.Not.R.astr.Soc.,234, 477ADSGoogle Scholar
  8. Manchester, R. N. 1990,Proc. of IAU Coll. 128, ed. T. Hankins & J. Gil, [xx : xx], p. 204Google Scholar
  9. Radhakrishnan, V., & Cooke, D. J. 1969,Astrophs. Lett.,3, 225ADSGoogle Scholar
  10. Rankin, J. M. 1983,Astrophys. J.,274, 359CrossRefADSGoogle Scholar
  11. Rankin, J. M. 1990,Astrophys. J.,352, 247CrossRefADSGoogle Scholar
  12. Thorsett, S. E., & Stinebring, D. R. 1990,Astrophys. J.,361, 644CrossRefADSGoogle Scholar
  13. Thorsett, S. E. 1991,Astrophys. J.,377, 263CrossRefADSGoogle Scholar
  14. Wolszczan, A. 1984,Millisecond Pulsars Workshop, ed. S. Reynolds & D. Stinebring, [NRAO : Green Bank], p. 63Google Scholar

Copyright information

© Indian Academy of Sciences 1995

Authors and Affiliations

  • D. C. Backer
    • 1
  1. 1.Astronomy DepartmentUniversity of CaliforniaBerkeley

Personalised recommendations