Cataclysmic variables from the Calan-Tololo Survey - I. Photometric periods
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Date
2004
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Abstract
In a search for cataclysmic variables in the Calan-Tololo Survey, we have detected 21 systems, 16 of them previously unknown. In this paper we present detailed time-series photometry for those six confirmed cataclysmic variables that show periodic variability in their light curves. Four of them turned out to be eclipsing systems, while the remaining two show a modulation consisting of two humps. All derived periods are below or, in one case, just at the lower edge of the period gap.
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surveys, binaries : close, binaries : eclipsing, stars : dwarf novae, novae, cataclysmic variables