value unc_up unc_lo author ref method 0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM 0.054 0.0322 0.0322 Masiero 2017AJ....154..168M NEATM 0.060 0.0210 0.0210 Masiero 2012ApJ...759L...8M NEATM 0.061 0.0290 0.0550 Masiero 2021PSJ.....2..162M NEATM 0.065 0.0131 0.0131 Masiero 2011ApJ...741...68M NEATM