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Showing 1 to 1 of 1 for “"Solar Umbral Dots"”.
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A near-infrared filter system and study of solar umbral dots at 1.6 µm
The observations of solar magnetic fields are very important because they influence events on the sun. Almost all of magnetographs in the world work in the visible wavelength and they are powerful instruments for measuring strong magnetic fields (above 1000 Gauss) on the sun. To measure the weak …