Solar rotation velocity as determined fr
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Claudia Abarbanell; Hubertus WΓΆhl
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Article
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1981
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Springer
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English
β 291 KB
Using two original copies of Hevelius' 'Selenographia' and reducing spot positions with two different methods, we found that the solar angular rotation velocity at the beginning of the Maunder minimum was about the same as today. The gradient of the differential rotation was slightly steeper than gi