Tags: Star.
For other star systems with this Bayer designation see Tau Arietis.Tau2 Arietis (τ2 Ari τ2 Arietis) is the Bayer designation for a binary star in the northern constellation on Aries. The combined apparent visual magnitude of this system is +5.09 which is bright enough to be seen with the naked eye. With an annual parallax shift of 10.27 mas it is located at a distance of approximately 320 light-years (98 parsecs) from Earth give or take a 20 light-year margin of error.
