value unc_up unc_lo author ref method 13.88 4.120 4.120 Masiero 2020PSJ.....1....5M NEATM 16.72 0.088 0.088 Masiero 2011ApJ...741...68M NEATM 18.83 5.910 5.910 Masiero 2020PSJ.....1....5M NEATM