Complex sentence: Visually the star is only 59,000 (Absolute magnitude -7.10) because of the high temperature so most of the radiation is emitted primarily in the ultraviolet and other high-energy electromagnetic waves.
Split into simpler sentences: Visually the star is only 59,000 (Absolute magnitude -7.10) because of the high temperature. Most of the radiation is emitted primarily in the ultraviolet and other high-energy electromagnetic waves.