Abstract
Galaxies and quasars are the main extragalactic byproducts of surveys such as the Sloan Digital Sky Survey (I-II-III), WiggleZ, J-PAS, etc. However, the near-degeneracy of quasars with stars in color-color and color-magnitude plots makes it very hard to identify those objects with broad-band imaging, which is how SDSS and WiggleZ can target quasars. However, there is now a concrete possib…