value unc_up unc_lo author ref method 6.71 0.410 0.410 Masiero 2012ApJ...759L...8M NEATM 6.80 1.810 1.810 Masiero 2021PSJ.....2..162M NEATM 7.08 1.580 1.580 Nugent 2016AJ....152...63N NEATM 7.42 2.080 2.080 Masiero 2021PSJ.....2..162M NEATM 8.48 0.022 0.022 Masiero 2011ApJ...741...68M NEATM