value unc_up unc_lo author ref method 0.138 0.0152 0.0152 Masiero 2011ApJ...741...68M NEATM 0.240 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM 0.252 0.0390 0.0390 Masiero 2012ApJ...759L...8M NEATM