value unc_up unc_lo author ref method 0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM 0.069 0.0240 0.0360 Masiero 2021PSJ.....2..162M NEATM 0.088 0.0410 0.0780 Masiero 2021PSJ.....2..162M NEATM 0.090 0.0155 0.0155 Masiero 2011ApJ...741...68M NEATM