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eJAAVSO

Another Look at the Period of HS Aquilae

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Lisa Wenner

Maria Mitchell Observatory, Nantucket, MA 02554

 

Received: August 7, 1991

 

Abstract

 

An examination of the Mira variable HS Aquilae using recent Maria Mitchell Observatory plates reveals that the period has become shorter than the 267-day period given by Harwood in 1962.  A constantly decreasing period is favored over an abrupt change.  The rate of change is approximately -0.17 +_ 0.01 day per year.

 

Link to ADS abstract, article and citation information

 
 
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