value unc_up unc_lo author ref method 0.180 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM 0.182 0.0243 0.0243 Masiero 2011ApJ...741...68M NEATM 0.185 0.0310 0.0310 Masiero 2012ApJ...759L...8M NEATM 0.350 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM