↩ 🔵 🔵 🔵 ❪𝛿❫ High-Energy Astrophysics Quantities ○ Mass Function (f₍M₎≡P𝘰𝘳𝘣K₂³∕2πG=M₁sin³i∕₍1+q₎²) ○← Mass Ratio (q≡M₂∕M₁) ○←