value unc_up unc_lo author ref method 0.069 0.0100 0.0100 Masiero 2012ApJ...759L...8M NEATM 0.070 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM 0.226 0.0424 0.0424 Masiero 2011ApJ...741...68M NEATM 0.250 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM