VST OmegaCAM difference image analysis
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We present a modified version of the difference image analysis software developed by the OGLE collaboration (DIAPL) and its implementation within AstroWISE environment. Python interface and parallel execution are described. Examples of graphical output on simulated data set are presented. The tool will be used in VST surveys for photometric variability search.
KeywordsDifference image Light curve Variability VST
The authors gratefully recognize contributions from A. Volpicelli, J. Koppenhoefer and P. R. Woźniak. We thank J. M. Alcalá, V. Ripepi, I. Musella and M. Dall’Ora for constructive discussions. The referee deserves thanks for careful reading and helpful suggestions.