value unc_up unc_lo author ref method 4.22 0.081 0.081 Masiero 2011ApJ...741...68M NEATM 4.40 1.330 1.330 Masiero 2021PSJ.....2..162M NEATM 4.41 1.100 1.100 Nugent 2016AJ....152...63N NEATM