value unc_up unc_lo author ref method 8.03 1.750 1.750 Masiero 2020PSJ.....1....5M NEATM 8.24 0.032 0.032 Masiero 2011ApJ...741...68M NEATM 8.91 3.770 3.770 Masiero 2012ApJ...759L...8M NEATM