value unc_up unc_lo author ref method 0.073 0.0195 0.0195 Masiero 2011ApJ...741...68M NEATM 0.084 0.0183 0.0183 Masiero 2011ApJ...741...68M NEATM 0.113 0.0677 0.0677 Masiero 2017AJ....154..168M NEATM