Goat Consisting with β Aqr (Sadalsuud), ξ Aqr (Deneb Algenubi) and 46 Cap (c Cap), were Saʽd al Suʽud, the Luck of Lucks. See Star Names, R.H. Allen, p
where ρ⊕σ is the direct sum, ρ⊗σ is the tensor product, ρ∗ denotes the conjugate transpose of ρ, and Alt2 is the alternating product Alt2ρ = ρ ∧ ρ and Sym2
subtended by a cap area of A = r2. The volume can be calculated by integrating the differential volume element d V = ρ 2 sin ϕ d ρ d ϕ d θ {\displaystyle