value unc_up unc_lo author ref method 2.79 0.810 0.810 Masiero 2020PSJ.....1....5M NEATM 2.86 0.050 0.050 Masiero 2012ApJ...759L...8M NEATM 3.15 0.108 0.108 Masiero 2011ApJ...741...68M NEATM