value unc_up unc_lo author ref method 0.180 0.0364 0.0364 Masiero 2011ApJ...741...68M NEATM 0.198 0.0350 0.0350 Masiero 2012ApJ...759L...8M NEATM 0.210 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM 0.250 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM