value unc_up unc_lo author ref method 0.032 0.0180 0.0400 Masiero 2021PSJ.....2..162M NEATM 0.037 0.0280 0.0280 Masiero 2020PSJ.....1....5M NEATM 0.049 0.0430 0.0430 Masiero 2020PSJ.....1....5M NEATM 0.053 0.0143 0.0143 Masiero 2011ApJ...741...68M NEATM