Nke a na-egosi na di na nwunye ahụ na-emecha okirikiri kwa ụbọchị 33.01 ma nwee eccentricity okirikiri nke 0.32. Ihe bụ isi nke spectroscopic binary, Sigma Scorpii Aa1, bụ nnukwu kpakpando mepụtara na kpakpando nhazi nke B1 III. O nwere ihe dị ka ugboro 18 nke anyanwụ na ugboro 12 nke anyanwụ radius. Kpakpando a na-ekpuchi ihe dị ka ugboro 29000 nke ìhè nke anyanwụ site na envelope ya dị na 26150 K. Nke a bụ kpakpando na-agbanwe agbanwe nke ụdị Beta Cephei, nke na-eme ka mgbanwe dị iche iche na nchịkọta ha na-akpata Doppler shift. Nke a na-egosi na di na nwunye ahụ na-agbanwe okirikiri kwa ụbọchị 33.01 ma nwee eccentricity okirikiri nke 0.32. Ihe bụ isi ihe dị na spectroscopic binary, Sigma Scorpii Aa1, bụ nnukwu kpakpando mepụtara na kpakpando nhazi nke B1 III. Ọ nwere ihe dị ka ugboro 18 nke anyanwụ na 12 ugboro anyanwụ radius.
Nke a bụ kpakpando na - agbanwe agbanwe nke ụdị Beta Cephei