Confidence contours (1σ and 2σ) and marginalized likelihood distributions for the parameters space (Ω_m and H₀) in the spatially flat ΛCDM model from the SNe Ia subsamples, which corresponds to Ω_m,min (blue line) and Ω_m,max (red line). The best fitting results of preferred direction are and Mpc⁻¹ (blue line). The best fitting results of opposite direction are and km s⁻¹ Mpc⁻¹ (red line).