value unc_up unc_lo author ref method 0.060 0.0105 0.0105 Masiero 2011ApJ...741...68M NEATM 0.068 0.0090 0.0090 Masiero 2012ApJ...759L...8M NEATM 0.070 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM 0.070 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM