value unc_up unc_lo author ref method 7.05 0.047 0.047 Masiero 2011ApJ...741...68M NEATM 7.16 0.120 0.120 Masiero 2014ApJ...791..121M NEATM 7.46 0.096 0.096 Masiero 2011ApJ...741...68M NEATM 7.61 0.080 0.080 Masiero 2014ApJ...791..121M NEATM