The Ratio of the Areas of a Sunspot and Its Umbra: Two Populations of Sunspot Groups
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Published:2024-05
Issue:5
Volume:50
Page:329-334
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ISSN:1063-7737
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Container-title:Astronomy Letters
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language:en
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Short-container-title:Astron. Lett.
Author:
Nagovitsyn Yu. A.
Publisher
Pleiades Publishing Ltd
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