Tau1 Arietis

Based upon an annual parallax shift of 6.1786 mas, it is approximately 530 light-years (162 parsecs) distant from Earth.

The combined apparent visual magnitude is 5.27,[2] making it faintly visible to the naked eye.

[12] The third component is located at an angular separation of 0.810 arcseconds and has a magnitude of 8.17.

[9] The primary component is a subgiant star with a stellar classification of B5 IV.

[1] This system is a member of the Cas-Tau OB association of stars that share a common motion through space.

A light curve for Tau 1 Arietis, plotted from TESS data [ 10 ]