Frequency drift in pulsar scintillation

Details Frequency drift in pulsar scintillation Frequency drift in pulsar scintillation

May 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985mnras.214...97s&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 214, May 1, 1985, p. 97-107.

Astronomy and Astrophysics

Astronomy

34

Drift Rate, Frequency Shift, Pulsars, Scintillation, Spectrum Analysis, Stellar Spectra, Bandwidth, Electron Density (Concentration), Kolmogoroff Theory, Spectral Energy Distribution, Temporal Distribution

Scientific paper

The dynamic spectra of interstellar scintillation at 408 MHz in 32 pulsars give values for bandwidth and time-scale, and for the characteristic rate of frequency drifting in spectral features. Frequency drift in scintillation patterns is related to large-scale structure in the electron density variations in the medium, while the bandwidth and time-scale of scintillation depend on smaller scale structure. A comparison of these two types of pattern characteristics show conformity with a Kolmogorov spectrum of irregularities extending over a range of scales from 109 to 1012m.

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