value unc_up unc_lo author ref method 0.209 0.0382 0.0382 Masiero 2011ApJ...741...68M NEATM 0.230 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM 0.360 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM 0.455 0.0710 0.0710 Masiero 2012ApJ...759L...8M NEATM