Impact of the model parameters θ_2,3 = N_Ia,τ_Ia, the SN Ia normalization, and the SN Ia delay time. We show the distribution functions of SN Ia explosions for an SSP of 1 M_⊙ using a Maoz et al. (2010) functional form with a mass normalization of N_Ia = 0.00178 and a time-delay of τ_Ia ≈ 160 Myr. We show ± 2σ_prior variations from (see Table 1). For comparison the Maoz et al. (2010) and Maoz et al. (2012) observations are depicted. The number of SN Ia exploding before 1 Gyr is indicated as well.