The central sun of the Karthakk system had three planets revolving around it.
The bounty hunter Durge met his end in 20 BBY when Anakin Skywalker compelled him into an escape pod, which was then directed into the star. The star's extreme heat completely destroyed the apparently indestructible Gen'Dai.
Lok, Maramere, and Nod Kartha were the planets illuminated by Karthakk's radiant energy.