CX Lyrae 2008 Observing Campaign
Pierre de Ponthiere, Jean-Francois Le Borgne, Franz-Josef Hambsch

TL;DR
This paper reports a four-month observational campaign of CX Lyrae, providing new data that suggests a Blazhko period of approximately 62 days, but with some uncertainty due to dataset limitations.
Contribution
The study offers the first detailed observational campaign of CX Lyrae's Blazhko effect, refining the period estimate with new measurements.
Findings
Estimated Blazhko period of 62 +/- 2 days
Dataset insufficient to confirm exact period due to sampling limitations
The (O-C) curve shape varies over the campaign duration
Abstract
The Blazhko effect in CX Lyr has been reported for the first time by Le Borgne et al. (2007). The authors have pointed out that the Blazhko period was not evaluated accurately due to dataset scarcity. The possible period values announced were 128 or 227 days. A newly conducted four-month observing campaign in 2008 (fifty-nine observation nights) has provided fourteen times of maximum. From a period analysis of measured times of maximum, a Blazhko period of 62 +/- 2 days can be suggested. However, the present dataset is still not densely sampled enough to exclude that the measured period is still a modulation of the real Blazhko period. Indeed the shape of the (O-C) curve does not repeat itself exactly during the campaign duration.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Scientific Research and Discoveries · Astro and Planetary Science
