Const: Constants in intenal unit

Length: $h^{-1} \mathrm{Mpc}$
Velocity: $\mathrm{km}\, \mathrm{s}^{-1}$
Hubble constant: $100 \, \mathrm{km} \,\mathrm{s}^{-1}/(h^{-1} \mathrm{Mpc})$



In [1]:

    
import mockgallib as mock
const= mock.Const()
const









    Out[1]:





Constants in internal unit:
  G          = 4.3007e-09
  rho_crit_0 = 2.7755e+11



In [4]:

    
print("%.4e" %const.G)
print("%.4e" % const.rho_crit_0)









    



4.3007e-09
2.7755e+11



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