▁from ▁Maryland ▁Category : American ▁canal ▁engine ers ▁Category : American ▁survey ors ▁Category : American ▁cart ograph ers ▁Category : Art ists ▁of ▁the ▁American ▁West ▁Category : American ▁civil ▁engine ers <0x0A> </s> ▁ ν ▁Virgin is , ▁Latin ized ▁as ▁Nu ▁Virgin is , ▁is ▁a ▁single ▁star ▁in ▁the ▁z od iac ▁const ell ation ▁of ▁Vir go , ▁located ▁at ▁the ▁western ▁tip ▁of ▁the ▁classic ▁const ell ation ▁and ▁nearly ▁due ▁south ▁of ▁the ▁prominent ▁star ▁Den eb ola . ▁It ▁is ▁a ▁red - h ued ▁star ▁with ▁an ▁apparent ▁visual ▁magnitude ▁of ▁ 4 . 0 4 ▁and ▁can ▁be ▁seen ▁with ▁the ▁n aked ▁eye . ▁Because ▁the ▁star ▁lies ▁near ▁the ▁e cli ptic ▁it ▁is ▁subject ▁to ▁occ ult ations ▁by ▁the ▁Moon . ▁Par alla x ▁measurements ▁provide ▁an ▁estimated ▁distance ▁of ▁around ▁ 2 9 4   light ▁years ▁from ▁the ▁Sun , ▁and ▁it ▁is ▁dr ifting ▁further ▁away ▁with ▁a ▁radial ▁velocity ▁of ▁+ 5 0   km / s . ▁ ▁This ▁object ▁is ▁an ▁M - type ▁red ▁giant , ▁currently ▁on ▁the ▁asympt otic ▁giant ▁branch , ▁with ▁a ▁stell ar ▁classification ▁of ▁M 1   III . ▁It ▁is ▁an ▁SR B - type ▁sem ire g ular ▁variable ▁star ▁with ▁its ▁bright ness ▁varying ▁by ▁ 0 . 0 1 2 5 ▁in ▁magnitude . ▁These ▁variations ▁have ▁four ▁periods ▁last ing ▁ 1 1 . 1 , ▁ 1 2 . 3