value unc_up unc_lo author ref method 4.19 0.870 0.870 Masiero 2020PSJ.....1....5M NEATM 5.93 0.109 0.109 Masiero 2011ApJ...741...68M NEATM 5.98 0.370 0.370 Masiero 2012ApJ...759L...8M NEATM