value unc_up unc_lo author ref method 3.31 0.740 0.740 Masiero 2020PSJ.....1....5M NEATM 3.54 1.620 1.620 Masiero 2012ApJ...759L...8M NEATM 4.76 0.122 0.122 Masiero 2011ApJ...741...68M NEATM