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Fig. 1.

image

Scatter plot showing the X-ray luminosities and the weights (inverse of the generic volumes) per object studied here. The Swift/BAT selected IPS are shown in red for a scale height of 120 pc, the RASS CVs are shown in blue, and the NEP-CVs in the RASS sample in cyan. Assumed scale height for RASS-CVs was 260 pc.

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