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  Abstract / note  

0026BM Persei: Period change and a new ephemeris
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Ralf Meyer2006-03-26
 BM Persei is a classical cepheid with a long period of 23 days. Recent observations show a period increase. I collect maximum times, show lightcurves and an O-C-diagram and offer a revised ephemeris.

Simbad object(s): BM Per,


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