value unc_up unc_lo author ref method 10.63 0.128 0.128 Masiero 2011ApJ...741...68M NEATM 8.44 0.280 0.280 Masiero 2012ApJ...759L...8M NEATM 8.62 2.260 2.260 Nugent 2016AJ....152...63N NEATM 9.56 0.510 0.510 Masiero 2014ApJ...791..121M NEATM