value unc_up unc_lo author ref method 6.40 1.990 1.990 Masiero 2021PSJ.....2..162M NEATM 6.51 1.460 1.460 Nugent 2016AJ....152...63N NEATM 7.27 2.590 2.590 Masiero 2021PSJ.....2..162M NEATM 8.43 0.074 0.074 Masiero 2011ApJ...741...68M NEATM 8.45 0.180 0.180 Masiero 2011ApJ...741...68M NEATM