value unc_up unc_lo author ref method 3.96 1.040 1.040 Masiero 2020PSJ.....1....5M NEATM 4.04 0.059 0.059 Masiero 2011ApJ...741...68M NEATM 4.53 1.490 1.490 Masiero 2012ApJ...759L...8M NEATM