value unc_up unc_lo author ref method 10.32 0.520 0.520 Masiero 2012ApJ...759L...8M NEATM 11.15 0.470 0.470 Masiero 2012ApJ...759L...8M NEATM 9.14 2.880 2.880 Nugent 2016AJ....152...63N NEATM