value unc_up unc_lo author ref method 0.186 0.0266 0.0266 Masiero 2011ApJ...741...68M NEATM 0.220 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM 0.230 0.1400 0.1400 Nugent 2016AJ....152...63N NEATM 0.264 0.0290 0.0290 Masiero 2012ApJ...759L...8M NEATM