value unc_up unc_lo author ref method 4.29 1.210 1.210 Masiero 2020PSJ.....1....5M NEATM 4.51 0.710 0.710 Masiero 2012ApJ...759L...8M NEATM 4.79 1.844 1.844 Masiero 2011ApJ...741...68M NEATM