value unc_up unc_lo author ref method 0.021 0.0154 0.0154 Masiero 2017AJ....154..168M NEATM 0.059 0.0056 0.0056 Masiero 2011ApJ...741...68M NEATM 0.070 0.0064 0.0064 Masiero 2011ApJ...741...68M NEATM