▁star ▁is ▁moving ▁further ▁from ▁the ▁Sun ▁with ▁a ▁hel i oc ent ric ▁radial ▁velocity ▁of ▁+ 1 6   km / s . ▁ ▁The ▁stell ar ▁classification ▁of ▁ 7 5 ▁Ta uri ▁is ▁K 1   III b , ▁indicating ▁it ▁is ▁an ▁ag ing ▁giant ▁star ▁that ▁has ▁exha usted ▁the ▁supply ▁of ▁hydro gen ▁at ▁its ▁core . ▁At ▁the ▁estimated ▁age ▁of ▁roughly ▁ 2 . 7   b ill ion ▁years , ▁this ▁has ▁become ▁a ▁red ▁cl ump ▁star ▁that ▁is ▁generating ▁energy ▁through ▁hel ium ▁fusion ▁in ▁its ▁core ▁region . ▁The ▁star ▁has ▁ 1 . 5 ▁times ▁the ▁mass ▁of ▁the ▁Sun ▁and ▁has ▁expanded ▁to ▁ 1 1 ▁times ▁the ▁Sun ' s ▁radius . ▁It ▁is ▁radi ating ▁ 4 1 ▁times ▁the ▁Sun ' s ▁lum inos ity ▁from ▁its ▁en larg ed ▁photos phere ▁at ▁an ▁effective ▁temperature ▁of ▁around ▁ 4 , 6 9 7   K . ▁ ▁References ▁ ▁Category : K - type ▁gi ants ▁Category : Horizontal - branch ▁stars ▁Category : S us pected ▁variables ▁Category : T aur us ▁( const ell ation ) ▁Category : D urch m uster ung ▁objects ▁Ta uri , ▁ 0 7 5 ▁ 0 2 8 2 9 2 ▁ 0 2 0 8 7 7 ▁ 1 4 0 7 <0x0A> </s> ▁This ▁is ▁the ▁list ▁of ▁the ▁proper ▁names ▁for ▁the ▁stars ▁in ▁the ▁const ell ation ▁Gr us . ▁(