gen ▁fusion . ▁The ▁star ▁is ▁similar ▁to ▁the ▁Sun , ▁but ▁is ▁slightly ▁hot ter ▁and ▁more ▁massive . ▁It ▁is ▁about ▁ 5 . 1   b ill ion ▁years ▁old ▁and ▁it ▁is ▁spin ning ▁slowly ▁with ▁a ▁project ed ▁rot ational ▁velocity ▁of ▁ 1 . 3   km / s . ▁The ▁met all icity ▁of ▁this ▁star ▁is ▁below ▁solar , ▁meaning ▁the ▁abund ance ▁of ▁elements ▁other ▁than ▁hydro gen ▁and ▁hel ium ▁is ▁lower ▁than ▁in ▁the ▁Sun . ▁ ▁The ▁star ▁HD ▁ 2 3 0 7 9 ▁is ▁named ▁T up i . ▁The ▁name ▁was ▁selected ▁in ▁the ▁Name Ex o World s ▁campaign s ▁by ▁Brazil ▁during ▁the ▁ 1 0 0 th ▁anni versary ▁of ▁the ▁I AU . ▁The ▁star ▁is ▁named ▁after ▁the ▁T up i ▁people , ▁a ▁ind igen ous ▁group . ▁ ▁Planet ary ▁system ▁ ▁In ▁October ▁ 2 0 0 1 , ▁a ▁giant ▁planet ▁orbit ing ▁the ▁star ▁was ▁announced . ▁The ▁orbit ▁of ▁this ▁object ▁is ▁similar ▁to ▁that ▁of ▁Mars , ▁and ▁the ▁presence ▁of ▁such ▁a ▁large ▁planet ▁would ▁have ▁a ▁strong ▁impact ▁on ▁an ▁Earth - like ▁planet ▁in ▁the ▁habit able ▁zone ▁of ▁this ▁Star . ▁ ▁References ▁ ▁External ▁links ▁▁▁▁▁▁ ▁Category : F - type ▁main - sequence ▁stars ▁Category : Plan et ary ▁systems ▁with ▁one ▁confirmed ▁planet ▁Category : R etic ul um ▁( const ell ation ) ▁Category : D urch m