value unc_up unc_lo author ref method 7.73 2.230 2.230 Masiero 2020PSJ.....1....5M NEATM 8.53 2.330 2.330 Masiero 2020PSJ.....1....5M NEATM 9.72 0.061 0.061 Masiero 2011ApJ...741...68M NEATM