value unc_up unc_lo author ref method 0.030 0.0233 0.0233 Masiero 2017AJ....154..168M NEATM 0.033 0.0260 0.0260 Masiero 2012ApJ...759L...8M NEATM 0.040 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM 0.040 0.0170 0.0310 Masiero 2021PSJ.....2..162M NEATM 0.046 0.0070 0.0070 Masiero 2012ApJ...759L...8M NEATM