value unc_up unc_lo author ref method 11.42 3.323 3.323 Masiero 2017AJ....154..168M NEATM 11.58 0.179 0.179 Masiero 2011ApJ...741...68M NEATM 9.69 3.540 3.540 Masiero 2012ApJ...759L...8M NEATM