value unc_up unc_lo author ref method 5.14 0.100 0.100 Masiero 2014ApJ...791..121M NEATM 5.18 0.057 0.057 Masiero 2011ApJ...741...68M NEATM 5.31 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM 5.62 1.380 1.380 Nugent 2016AJ....152...63N NEATM