value unc_up unc_lo author ref method 0.160 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM 0.161 0.0254 0.0254 Masiero 2011ApJ...741...68M NEATM 0.310 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM