17. Do the calculations for Pi-3-Orion, with spectral classification F6. Temperature T (in K)= Temperature T (in solar temperatures) = 1.172 solar units Luminosity L (in solar luminosities) = 4.529 solar units Mass M (in solar masses) = 1.23 solar units Radius R (in solar radii) = 1.548 solar radii Radius R (in m) = 1.07Be+9 rn Volume V (in solar 1Volume) = 3.711 solar volumes Volume V (in m3) = Density p (in solar density) = .333 solar densities Density p (in kglm3) = Lifetime T (in solar lifetimes) = .272 solar lifetimes Lifetime T (in years) =