value unc_up unc_lo author ref method 0.061 0.0392 0.0392 Masiero 2017AJ....154..168M NEATM 0.068 0.0457 0.0457 Masiero 2017AJ....154..168M NEATM 0.104 0.0140 0.0140 Masiero 2011ApJ...741...68M NEATM