value unc_up unc_lo author ref method 0.250 0.1500 0.1500 Nugent 2016AJ....152...63N NEATM 0.278 0.0890 0.1310 Masiero 2021PSJ.....2..162M NEATM 0.330 0.1787 0.1787 Masiero 2011ApJ...741...68M NEATM