What kind of stars make up the galactic nucleus?

The galactic nucleus or the active galactic nucleus (AGN) is the region of the galaxy that is considered compact. It's luminosity is higher than normal which is not generated by stars. Therefore, the kind of stars that composes the galactic nucleus are the old, metal-rich stars. hope this helps.

I THINK old, metal-poor stars hope this helps

What do you mean there’s no jelly beans