value unc_up unc_lo author ref method 0.040 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM 0.044 0.0200 0.0370 Masiero 2021PSJ.....2..162M NEATM 0.076 0.0370 0.0370 Masiero 2012ApJ...759L...8M NEATM