Fig. 7.
Normalised cumulative (blue) and binned (red) orbital period distribution of the polars. The location of J0005 is indicated with an arrow. the bin width is 1 min, the highest bin has five members. The ordinate scale is valid for the cumulative distribution. The dashed lines indicate the lower and upper bounds of the period gap as determined by Knigge et al. (2011).
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