value unc_up unc_lo author ref method 0.136 0.0260 0.0260 Masiero 2012ApJ...759L...8M NEATM 0.155 0.0680 0.1210 Masiero 2021PSJ.....2..162M NEATM 0.170 0.0641 0.0641 Masiero 2017AJ....154..168M NEATM