value unc_up unc_lo author ref method 6.24 1.780 1.780 Masiero 2020PSJ.....1....5M NEATM 7.29 0.103 0.103 Masiero 2011ApJ...741...68M NEATM 7.33 1.580 1.580 Masiero 2020PSJ.....1....5M NEATM