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Time Resolved Photometry in Two Pulsed Radio Source Fields

  • J. Borgman
  • J. Koornneef
Chapter

Abstract

Four pulsed radio sources have so far been discovered1. All of them have short duration pulses and periods between 0•25 and 1•34 s.

Referenzen

  1. 1.
    Pilkington, J. D. H. Hewish, A. Bell, S. J., and Cole, T. W., Nature, 218, 126 (1968), (Paper 2).ADSCrossRefGoogle Scholar
  2. 2.
    Ryle, M., and Bailey, J. A., Nature, 217, 907 (1968), (Paper 19).ADSCrossRefGoogle Scholar
  3. 3.
    Duthie, J. G., Sturch, C, and Hafner, E. M., Science, 160, 415 (1968).ADSCrossRefGoogle Scholar
  4. 4.
    I.A.U. Circular No. 2066. Google Scholar
  5. 5.
    Bailey, J. A., and Mackay, C. D., Nature, 218, 129 (1968), (Paper 20).ADSCrossRefGoogle Scholar
  6. 6.
    I.A.U. Circular No. 2064. Google Scholar

Copyright information

© Springer Science+Business Media New York 1968

Authors and Affiliations

  • J. Borgman
    • 1
  • J. Koornneef
    • 1
  1. 1.Kapteyn ObservatoryRodenThe Netherlands

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