Frequency structure of radio scintillations from the pulsar PSR 1508+55

Details Frequency structure of radio scintillations from the pulsar PSR 1508+55 Frequency structure of radio scintillations from the pulsar PSR 1508+55

Jul 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998astl...24..464k&link_type=abstract

Astronomy Letters, Volume 24, Issue 4, July 1998, pp.464-467; Pis'ma v Astronomicheskii Zhurnal, Vol. 24, p. 541

Astronomy and Astrophysics

Astronomy

Scientific paper

Using the method of predetector dispersion removal, we analyze the radio pulses recorded from the pulsar PSR 1508+55 at 102.5 MHz to determine the scattering parameters. The measured decorrelation bandwidth is 87 Hz, and the scintillation time scale is 13 s. The rms scattering angle is estimated to be 0.14". We plot the power-law frequency dependences of the scintillation time scale and the decorrelation bandwidth by using our data and the results of other authors for this pulsar. The exponents in these dependences lie between the values corresponding to the Gaussian and Kolmogorov spectra of nonuniformities.

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