Scanning the sun with a highly directional array
作者： W. Christiansen , D. Mathewson
DOI: 10.1109/JRPROC.1958.286723
关键词: Interferometry 、 Radio telescope 、 Pencil (optics) 、 Physics 、 Very-long-baseline interferometry 、 Heliograph 、 Wavelength 、 Solar disk 、 Optics
摘要: A survey is given of the very highly directive equipment and methods which have been devised to obtain details distribution radio emission over solar disk. new instrument described; it operates on a wavelength 21 cm gives, for first time, pictures sun. This heliograph combines principles multielement interferometer Mills Cross. It consists 64 parabolic antennas, 19 feet in diameter, arranged along two lines, each 1240 length, form cross. Multiple pencil beams about 3? arc wide are produced by system; means these, sun scanned television-wise. The being used produce daily
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