value unc_up unc_lo author ref method 0.238 0.0360 0.0360 Masiero 2012ApJ...759L...8M NEATM 0.314 0.0999 0.0999 Masiero 2011ApJ...741...68M NEATM 0.430 0.1500 0.1500 Nugent 2016AJ....152...63N NEATM