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A beam ratio technique for microwave observation of S-component sources

✍ Scribed by K. F. Tapping

Book ID
104642225
Publisher
Springer
Year
1983
Tongue
English
Weight
357 KB
Volume
83
Category
Article
ISSN
0038-0938

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✦ Synopsis

The fluctuations in the tropospheric attenuation constitute a major problem when S-component source variations are studied. On records made by means of~ beam' antenna systems, separating solar variations from spurious effects can be very difficult. The twin-beam, beam ratio technique circumvents this problem by deriving a ratio with respect to a reference beam which is identically affected by the tropospheric attenuation and by receiver gain variations.

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A sample of 36 S-component sources observed by the radio telescope RATAN-600 was compared with calculations of gyromagnetic emission and bremsstrahlung based on recent sunspot models. The diagnostic possibilities of the spectral distributions in the radio flux, the degree of polarization, and the so