value unc_up unc_lo author ref method 0.312 0.0238 0.0238 Masiero 2011ApJ...741...68M NEATM 0.319 0.0570 0.0570 Masiero 2012ApJ...759L...8M NEATM 0.320 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM 0.350 0.1000 0.1000 Masiero 2014ApJ...791..121M NEATM