value unc_up unc_lo author ref method 5.71 0.090 0.090 Masiero 2014ApJ...791..121M NEATM 5.92 0.130 0.130 Masiero 2014ApJ...791..121M NEATM 6.09 0.194 0.194 Masiero 2011ApJ...741...68M NEATM 6.25 1.510 1.510 Nugent 2016AJ....152...63N NEATM 6.32 0.051 0.051 Masiero 2011ApJ...741...68M NEATM