value unc_up unc_lo author ref method 0.030 0.0140 0.0260 Masiero 2021PSJ.....2..162M NEATM 0.034 0.0200 0.0200 Masiero 2020PSJ.....1....5M NEATM 0.034 0.0261 0.0261 Masiero 2017AJ....154..168M NEATM 0.046 0.0300 0.0300 Masiero 2020PSJ.....1....5M NEATM 0.052 0.0093 0.0093 Masiero 2011ApJ...741...68M NEATM