value unc_up unc_lo author ref method 0.031 0.0150 0.0150 Masiero 2017AJ....154..168M NEATM 0.037 0.0100 0.0100 Masiero 2012ApJ...759L...8M NEATM 0.088 0.0351 0.0351 Masiero 2017AJ....154..168M NEATM