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Evidence for Small, Short-term Period Change in RZ Draconis

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Anthony D. Mallama

Ritter Astrophysical Research Center, The University of Toledo, Toledo, Ohio

 

Abstract

 

An intensive series of timings of minima reveals a quasi-periodic O-C curve. Explanations in terms of a third body or apsidal motion seem unlikely, and mass exchange may be the cause. The importance of timing the secondary minima is stressed.

 

Link to ADS abstract, article and citation information

 
 
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