We review the distance modulus in twelve different cosmologies: the ΛCDM model, the wCDM model, the Cardassian model, the flat case, the ?CDM cosmology, the Einstein—De Sitter model, the modified ...

The presence of the dark energy allows both the acceleration and the expansion of the universe. In the case of a constant equation of state for dark energy we derived an analytical solution for the ...

Based on cosmological luminosity distance, this program find the best parameters of matter density, dark energy density and w from equation of state. It calculates the chi square between a fake ...