Tags: Star.
Tau Puppis (Tau Pup τ Puppis τ Pup) is a star in the southern constellation of Puppis. It has an apparent visual magnitude of +2.95 and is located at a distance of about 182 light-years (56 parsecs) from Earth. This is a spectroscopic binary star system with the presence of the secondary component being revealed by the shifts of absorption lines in the spectrum resulting from the Doppler effect.