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Paper: YY Her -- The primary eclipse in the system confirmed and a secondary one revealed
Volume: 261, The Physics of Cataclysmic Variables and Related Objects
Page: 631
Authors: Hric, L.; Petrík, K.; Niarchos, P. G.; Velič, Z.; Gális, R.
Abstract: The new photometric observational material presented in this paper consists of BV RI data secured from July 2, 1995 till November 29, 2000. The most probable explanation of these data are secondary eclipses of the cool giant by the circumstellar envelope around the hot component. We found in the data a very pronounced period around 587 d as well as its half value in all five investigated colours. On the basis of the derived results we can explain the deep minima in the sense of the eclipses of the hot component by the cool giant.
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