Galactic quadrant

One of four circular sectors of the Milky Way galaxy

For the Star Trek terminology, see Galactic quadrant (Star Trek).

Longitudinal lines of the galactic coordinate system.

A galactic quadrant, or quadrant of the Galaxy, is one of four circular sectors in the division of the Milky Way Galaxy.

Numbered quadrants and sectors of constellations.

Quadrants as starcharts, with most prominent stars marked.