value unc_up unc_lo author ref method 0.068 0.0750 0.0750 Masiero 2012ApJ...759L...8M NEATM 0.069 0.0151 0.0151 Masiero 2011ApJ...741...68M NEATM 0.130 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM