Simultaneous observations of radio pulses of pulsars at two frequencies

Details Simultaneous observations of radio pulses of pulsars at two frequencies Simultaneous observations of radio pulses of pulsars at two frequencies

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pazh...13...27p&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 13, Jan. 1987, p. 27-31. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

1

Pulsars, Radio Frequencies, Radio Spectra, Spectral Energy Distribution, Stellar Spectrophotometry, Cross Correlation, Spectrum Analysis, Time Lag

Scientific paper

Simultaneous two-frequency single pulse observations for PSR 1133+16, PSR 1929+10 and PSR 2021+51 were carried out at frequencies 927 and 6000 MHz. Data analysis shows a systematic time shift of the mean profiles between the two frequencies when the known dispersion measures were considered. For PSR 2021+51 this shift may be explained by the frequency dependence of the main profile. The cross-correlation level between single pulse intensity fluctuations at the two frequencies was shown to be two times lower than the value obtained before at frequencies 102.5 and 1700 MHz.

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