value unc_up unc_lo author ref method 5.27 1.240 1.240 Masiero 2021PSJ.....2..162M NEATM 7.48 0.103 0.103 Masiero 2011ApJ...741...68M NEATM 8.35 0.070 0.070 Masiero 2012ApJ...759L...8M NEATM 8.72 2.220 2.220 Masiero 2021PSJ.....2..162M NEATM 9.07 1.760 1.760 Nugent 2016AJ....152...63N NEATM 9.23 2.522 2.522 Masiero 2017AJ....154..168M NEATM