value unc_up unc_lo author ref method 11.54 4.390 4.390 Masiero 2012ApJ...759L...8M NEATM 7.02 2.397 2.397 Masiero 2017AJ....154..168M NEATM 7.44 0.189 0.189 Masiero 2011ApJ...741...68M NEATM 9.63 2.797 2.797 Masiero 2017AJ....154..168M NEATM