value unc_up unc_lo author ref method 0.030 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM 0.030 0.0360 0.0360 Masiero 2012ApJ...759L...8M NEATM 0.040 0.0140 0.0220 Masiero 2021PSJ.....2..162M NEATM 0.041 0.0192 0.0192 Masiero 2017AJ....154..168M NEATM