Tags: Star.
Delta Circini (d Cir) is a star located in the constellation Circinus. Delta Circini is also known as HR 5664 and HD 135240. Delta Circini is a binary system. The system is located at Right Ascension 15h 16m 57s and Declination -60 deg 57 arcmin 27 arcsec. The system has a combined apparent visual magnitude of +5.09 and is located at a distance of 1.958 kpc (6388 ly) from the Sun. Delta Circini A is one of the more luminious stars in the galaxy.