value unc_up unc_lo author ref method 11.97 2.529 2.529 Masiero 2017AJ....154..168M NEATM 13.34 3.579 3.579 Masiero 2017AJ....154..168M NEATM 13.44 4.000 4.000 Masiero 2012ApJ...759L...8M NEATM 14.49 0.095 0.095 Masiero 2011ApJ...741...68M NEATM