value unc_up unc_lo author ref method 12.72 0.304 0.304 Masiero 2011ApJ...741...68M NEATM 9.21 3.120 3.120 Masiero 2020PSJ.....1....5M NEATM 9.95 3.130 3.130 Masiero 2020PSJ.....1....5M NEATM