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New Light Elements for the RR Lyr Type Variable Star DV Mon

 

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Massimiliano Martignoni

Via Don Minzoni 26, I-20020 Magnago (Milano), Italy

 

Received July 31, 2003; revised October 2003

 

Abstract  From analysis of the times of maxima published in the literature together with new ones obtained by the author by means of a CCD camera, it has been possible to derive new light elements for the RR Lyr type variable star DV Mon. It seems clear that recent CCD data do not fit previous measurements, showing, therefore, a change in the period of variation before JD 2448900; the lack of data prevents us from better describing the shape of the O-C diagram.

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