value unc_up unc_lo author ref method 12.63 0.220 0.220 Masiero 2014ApJ...791..121M NEATM 13.43 0.180 0.180 Masiero 2011ApJ...741...68M NEATM 14.14 3.840 3.840 Nugent 2016AJ....152...63N NEATM 17.58 0.840 0.840 Masiero 2012ApJ...759L...8M NEATM