Well, refer to the main sequence chart of stars at wikipedia here. With that you will be able to identify the "power" output of a star.
I once used a star to escape a certain death with my cruiser. That was in the days of the -=?=-.
I was being hunted by 3 huegenots. I was on a Lib cruiser, the Defender.
I knew i wasnt powerful enough to kill them all and survive, so i escaped through a star corona. 2 huegs took heavy damage, 1 was destroyed because he didnt abort the hunt.
I took so much damage that i had to get a mercy kill to restore my lost equipment.
(If you find any mistake in my English, please let me know via a PM)
(Really, I speak terrible English, so please, tell me if I make mistakes. I'd like to improve it a bit )