value unc_up unc_lo author ref method 0.180 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM 0.183 0.0289 0.0289 Masiero 2011ApJ...741...68M NEATM 0.250 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM 0.410 0.1700 0.1700 Nugent 2016AJ....152...63N NEATM