Fig. 7.

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Illustration of a possible disc configuration for DNe in different brightness states. The corona is a complex structure containing ADAF in the low state of a CV. The thin arrows show the relation between X-rays, reprocessed UV radiation and inner geometrically thin disc as reprocessing region. Much less is reprocessed into optical when the disc is truncated. Thick blue arrows show soft disc photons as source of the Compton cooling of the corona.
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