Abstract
Pulsars have so far been observed with time constants and radio frequency bandwidths giving time resolutions of about 1 ms or more1–4. We present here preliminary results of observations made at the Arecibo Ionospheric Observatory with equipment adjusted to give a time resolution of 0·1 ms. With this arrangement, pulse structure possessing circular polarization with time scales of the order of 0·2 ms has been seen within single energy from CP 0950 and CP 1133 (reported at the Conference on Rapidly Pulsating Radio Sources, May 1968). Similar short time structure for CP 0950 at a frequency of 2,295 MHz was also reported at the conference by R. D. Ekers and A. T. Moffet. J. H. Taylor has reported observations of occasional circularly polarized pulses made on a lower frequency and with a longer time constant.
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References
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Craft, H.D., Comella, J.M., Drake, F.D. (1968). Submillisecond Radio Intensity Variations in Pulsars. In: Pulsating Stars. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-6387-1_14
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DOI: https://doi.org/10.1007/978-1-4899-6387-1_14
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