Statistics of PSR1133+16 Micropulse Emission Determined at Widely Spaced Frequencies

Details Statistics of PSR1133+16 Micropulse Emission Determined at Widely Spaced Frequencies Statistics of PSR1133+16 Micropulse Emission Determined at Widely Spaced Frequencies

Dec 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aas...183.3709b&link_type=abstract

American Astronomical Society, 183rd AAS Meeting, #37.09; Bulletin of the American Astronomical Society, Vol. 25, p.1346

Mathematics

Probability

Scientific paper

We have investigated the statistics of signals obtained with high time resolution at 1400MHz and at 102.5MHz from the pulsar PSR 1133+16 at pulse longitudes corresponding to both components of the average pulse profile. Observations were not simultaneous at both frequencies. We have determined the probability for the presence of microstructure and for the presence of quasi-periodicities for the two observing frequencies. Probability of microstructure appearence has been determined to be the cause of the decrease of the average microstructure component at high frequencies. We show that the the distribution of characteristic times of microstructure is substantially different for pulse components I and II of the average pulse profile at 1400MHz, although the probability for the presence of microstructure and for the presence of quasi-periodicites is independent of the longitude of the pulse component. The average characteristic time of microstructure is the same at both pulse component longitudes at both frequencies. The observations are interpreted in terms of pulsar emission models.

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