An instrument to measure solar magnetic
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M. Cimino; A. Cacciani; N. Sopranzi
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Article
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1968
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Springer
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English
โ 548 KB
Using the atomic-beam technique in absorption, a new kind of very narrow-passband filter is obtained, which may also be used as a high-resolution spectrograph and as a 'Babcock window' for detecting solar magnetic fields without a spectrograph.