value unc_up unc_lo author ref method 12.69 4.180 4.180 Nugent 2016AJ....152...63N NEATM 13.25 0.230 0.230 Masiero 2014ApJ...791..121M NEATM 13.80 0.240 0.240 Masiero 2011ApJ...741...68M NEATM 9.36 0.470 0.470 Masiero 2012ApJ...759L...8M NEATM