upsilon draconis (υ dra) is a binary star system in the northern circumpolar constellation of draco. it is faintly visible to the naked eye with an apparent visual magnitude of 4.83. based upon an annual parallax shift of 9.48 mas as measured from earth, it is located around 340 light years from the sun. at that distance, the visual magnitude of the star is diminished by an extinction factor of 0.02 due to interstellar dust.