The lithium content in sunspots: Observations of 2007 |
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| Authors: | E A Baranovsky S A Musorina V P Tarashchuk |
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| Institution: | 11134. Crimean Astrophysical Observatory, Scientific Research Institute, Nauchny, Crimea, 98409, Ukraine
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| Abstract: | The spectra of sunspots were observed in the region of the LiI 6708 Å lines and several FeI and CaI lines. The observations were carried out with a CCD camera in May, June, and July 2007 using the BST-2 telescope of the Crimean Astrophysical Observatory. The spot models were calculated using the observed profiles of FeI and CaI lines. The lithium content was estimated at log(NLi) = 1.20, 1.15, and 1.00 (at the scale of logA(H) = 12.0) using the calculated spot models and observed LiI 6708 Å line profiles. |
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