value unc_up unc_lo author ref method 4.80 0.141 0.141 Masiero 2011ApJ...741...68M NEATM 6.27 0.141 0.141 Masiero 2011ApJ...741...68M NEATM 6.59 1.900 1.900 Masiero 2020PSJ.....1....5M NEATM 6.71 1.770 1.770 Masiero 2020PSJ.....1....5M NEATM