# [1] M (M_sun/h), [2] sigma(M)
1.000000000000000000e+06 7.138840306357078447e+00
1.000000000000000000e+08 5.212767306495697639e+00
1.000000000000000000e+10 3.479555601651631136e+00
1.000000000000000000e+12 2.011711807263585783e+00
1.000000000000000000e+14 9.078587410264976620e-01
1.000000000000000000e+16 2.606265109247503653e-01
