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Superhump evolution of WZ Sge-type dwarf nova ASASSN-14cv at rebrightening stage

Sklyanov, A. S.; Pavlenko, E. P.; Antonyuk, O. I.; Antonyuk, K. A.; Sosnovsky, A. A.; Galeev, A. I.; Pit', N. V.; Babina, Yu. V.


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    <subfield code="a">We report the results of observations of a WZ Sge-type dwarf nova ASASSN-14cv, acquired in 2014 and covering the end of a superoutburst and a rebrightening stage. We detected 8 rebrightenings of this star. Based on the light curve profiles of the rebrightenings, we conclude on the existence of both the "inside-out" and "outside-in" outbursts. During the entire course of the rebrightening stage, a brightness variability with the mean period of P = 0.(d)06042(8) was detected, which was identified as a superhump period during the stage B of the superoutburst. The character of the registered superhump evolution can be either described by a parabolic approximation with the negative P (dot) = -1.1 x 10(-5), or by an approximation with 2 linear areas with the corresponding periods of 0.(d)06074(3) and 0.(d)06046(9).</subfield>
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