Lithium abundances in sunspots from observations made in 2014
- 作者: Baranovskii E.A.1, Tarashchuk V.P.1
- 
							隶属关系: 
							- Crimean Astrophysical Observatory
 
- 期: 卷 60, 编号 8 (2016)
- 页面: 776-779
- 栏目: Article
- URL: https://journals.rcsi.science/1063-7729/article/view/190048
- DOI: https://doi.org/10.1134/S1063772916080035
- ID: 190048
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详细
Spectra of sunspots in the regions of the Li I 6708 Å line and certain Fe I and Ca I lines are presented. The observations wee carried out in August 2014 using a CCD array mounted at the BST-2 telescope of the Crimean Astrophysical Observatory. Sunspot models based on the observed Fe I and Ca I line profiles have been computed, and used together with the observed Li I 6708 Å profiles to determine the lithium abundances. The mean lithium abundance for the sunspots observed on August 26, 2014 is logA(Li) = 1.2 (on a scale for which logA(H) = 12.0). Sunspot spectra obtained on October 8, 2011 were also analyzed, yielding logA(Li) = 1.02.
作者简介
E. Baranovskii
Crimean Astrophysical Observatory
							编辑信件的主要联系方式.
							Email: edward.@crao.crimea.ua
				                					                																			                												                	俄罗斯联邦, 							Crimea, Nauchnyi						
V. Tarashchuk
Crimean Astrophysical Observatory
														Email: edward.@crao.crimea.ua
				                					                																			                												                	俄罗斯联邦, 							Crimea, Nauchnyi						
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