Simultaneous single-pulse observations of radio pulsars over a broad frequency range. II - Correlation between intensities of single pulses at 102.5 and 1700 MHz

Details Simultaneous single-pulse observations of radio pulsars over a broad frequency range. II - Correlation between intensities of single pulses at 102.5 and 1700 MHz Simultaneous single-pulse observations of radio pulsars over a broad frequency range. II - Correlation between intensities of single pulses at 102.5 and 1700 MHz

Jul 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...163..114k&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 163, no. 1-2, July 1986, p. 114-118.

Astronomy and Astrophysics

Astrophysics

17

Pulsars, Radio Stars, Stellar Radiation, Correlation Coefficients, Cross Correlation, Electromagnetic Pulses, Signal To Noise Ratios

Scientific paper

The longitude dependence of the crosscorrelation between single pulse intensities at two frequencies is investigated. For this purpose, single pulse intensities were recorded simultaneously at 102.5 MHz with the BSA transit array in Pushchino and at 1700 MHz with the 1OO-m telescope at Effelsberg. Considerable correlation up to 50% was found at some longitude intervals for PSR 0329 + 54, P5R0834 + 06, PSR 1133 + 16, and PSR 1508 + 55. The time shift between the integrated profiles at 102.5 MHz and 1700 MHz does not correspond to the dispersion delays for the known values of the dispersion measures, the differences are up to 0.1%.

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