Hadean

Hadean, or Hadeen is the star at the center of the Hadean System, which Cybertron is part of.

Fiction

Animated cartoon

Hadeen was a star orbited by many planets, most of them colonlized by Transformers. The AllSpark Almanac II

Beast Wars: Uprising

Hadean was visible in the sky for Lio Convoy after his encounter with the MCSF. Broken Windshields