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Paper: Light Curves of Galactic Eclipsing Double Periodic Variables
Volume: 435, Binaries – Key to Comprehension of the Universe
Page: 357
Authors: Michalska, G.; Mennickent, R. E.; Kołaczkowski, Z.; Djurašević, G.
Abstract: We present results of the investigation of the nature of double periodic variables (DPVs). We have selected a sample of Galactic eclipsing DPVs for a multiwavelength photometric study aimed to reveal their nature. The short orbital periodicity and the cyclic variability are decoupled and separately investigated. Shapes of orbital light curves are consistent with semi-detached binaries. The amplitude of the long cycle is always larger in redder bandpasses.
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