Reports

Parameters of the Plasma Affecting the Radiation of Pulsar 1

Science  17 May 1968:
Vol. 160, Issue 3829, pp. 760
DOI: 10.1126/science.160.3829.760

Abstract

Analysis of the relation between time delay and frequency for pulses from Pulsar 1 shows that the dispersive region of the ray path must exceed 300 astronomical units and have an average electron number density less than 8000 per cubic centimeter and average magnetic field strength less than 2 x 10-3 gauss. These requirements almost guarantee that the observed dispersion takes place in the interstellar medium.

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