value unc_up unc_lo author ref method 0.051 0.0300 0.0300 Masiero 2017AJ....154..168M NEATM 0.086 0.0400 0.0750 Masiero 2021PSJ.....2..162M NEATM 0.090 0.0530 0.1270 Masiero 2021PSJ.....2..162M NEATM 0.091 0.0136 0.0136 Masiero 2011ApJ...741...68M NEATM