statistic chi method leven 1000 0.0001 abund angr xsect bcmc cosmo 70 0 0.73 xset delta 0.01 systematic 0 model constant*wabs*powerlaw 1 -1 0 0 1e+10 1e+10 1704.74 0.001 0 0 100000 1e+06 9.49015 0.01 -3 -2 9 10 3.67391e+13 0.01 0 0 1e+24 1e+24