@HDE226868 it looks like I have to work out my star types first, and then I can ask this question. :-) This started with one of my questions about the binary-star system, where I posited a G-class primary star and an unspecified secondary star that I wanted to be bright (but not planet-crushing) and you
suggested the reflection nebula. Gamma Cephei, is K- and M-class; I don't know if that could support human-like life.