value unc_up unc_lo author ref method 3.96 1.080 1.080 Masiero 2020PSJ.....1....5M NEATM 5.27 0.027 0.027 Masiero 2011ApJ...741...68M NEATM 5.94 1.990 1.990 Masiero 2012ApJ...759L...8M NEATM