[Interesting Times]

Given those numbers, by my calculations, if we see the explosion tomorrow. We have 5782.5 years until any debris hits our solar system.

True for the debris, but we won't have to wait for the gamma rays.

[RoadGumby]

Understanding that the debris may be traveling 10% or so of the speed of light, Gamma rays travel AT the speed of light, still HUNDREDS of years out when it happens. still nothing to worry about.