Remarks on the period variation of HS He
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I. Todoran; F. Agerer
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Article
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1994
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John Wiley and Sons
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English
β 261 KB
π 2 views
## Abstract In order to get a satisfactory understanding of the periodic variation of the orbital period in the binary system HS Herculis, the study of this problem is resumed. Using recently observed primary and secondary minima, it is evident that after 1955 (__E__ > β2000) the corresponding __O