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New Periods for Two W Virginis Type Variables

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Melanie Mitchell

Maria Mitchel Observatory, Nantucket, MA 02554




Brightness estimates of V377 Sgr and V741 Sgr, two W Virginis type variables, were made for 650 Nantucket plates. Variations in the period of V377 Sgr were discovered and four new sets of elements were given to satisfy observations made over four separate intervals of time. A newly refined period is given for V741 Sgr.


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