Fine Structure of the solar atmosphere from near-limb observations in three wavelengths |
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| Authors: | Georgakilas A A Dara H Zachariadis Th Alissandrakis C E Koutchmy S |
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| Institution: | (1) National Observatory of Athens, Astronomical Institute, Greece;(2) Research Center for Astronomy and Applied Mathematics, Academy of Athens, Greece;(3) Section of Astro-Geophysics, Department of Physics, University of Ioannina, Greece;(4) Institut d'Astrophysique, CNRS, Paris, France |
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| Abstract: | We analyze a time series of high-resolution observations near the limb, in the continuum, in the Mg b
1 line (-0.4 Å off line center), and in the wings of H (+0.75 Å). The observations were obtained with a CCD camera at the Vacuum Tower telescope of the Sacramento Peak Observatory. We study the association of facular points, as they appear at different heights of the solar atmosphere (continuum, b
1 - 0.4 Å, H + 0.75 Å) with the feet of fine dark mottles. |
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