value unc_up unc_lo author ref method 0.048 0.0140 0.0140 Masiero 2011ApJ...741...68M NEATM 0.057 0.0439 0.0439 Masiero 2011ApJ...741...68M NEATM 0.069 0.0433 0.0433 Masiero 2017AJ....154..168M NEATM