value unc_up unc_lo author ref method 0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM 0.060 0.0240 0.0410 Masiero 2021PSJ.....2..162M NEATM 0.062 0.0710 0.0710 Masiero 2012ApJ...759L...8M NEATM