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We present results from long cadence Kepler observations covering 97.6 daysof the newly discovered eclipsing cataclysmic variable KISJ192748.53+444724.5/KIC 8625249. We detect deep eclipses of the accretion diskby the donor star every 3.97 hours. Additionally, the Kepler observations alsocover a full outburst for this cataclysmic variable, making KISJ192748.53+444724.5 the second known eclipsing cataclysmic variable system inthe Kepler field of view. We show how in quiescence a significant componentassociated to the hot-spot is visible preceding the eclipse, and that thiscomponent is swamped by the brightness increase during the outburst,potentially associated with the accretion disk. Furthermore we present evidencefor accretion disk radius changes during the outburst by analysing theout-of-eclipse light levels and eclipse depth through each orbital cycle. Weshow how these parameters are linearly correlated in quiescence, and discusshow their evolution during the outburst is suggesting disk radius changesand/or radial temperature gradient variations in the disk.

Kepler observations of the eclipsing cataclysmic variable KIS J192748.53+444724.5