Refractive radio scintillation in the solar wind

Details Refractive radio scintillation in the solar wind Refractive radio scintillation in the solar wind

Nov 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mnras.241..403n&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 241, Nov. 15, 1989, p. 403-413.

Astronomy and Astrophysics

Astronomy

21

Radio Sources (Astronomy), Solar Wind, Image Processing, Refractivity, Scattering, Very Large Array (Vla)

Scientific paper

The strong radio source 3C279 has been observed with the Very Large Array radio interferometer when the source was at a solar elongation of 0.9 deg. The visibilities were measured with a time resolution of 6.67 s. Convincing evidence of slow variations in the flux has been interpreted as refractive scintillation caused by large-scale density inhomogeneities in the solar wind. Furthermore, it was found that the angular size of the scatter-broadened image of 3C279 fluctuates in a correlated fashion with the flux. This effect, which had been predicted theoretically, is verified here for the first time.

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