value unc_up unc_lo author ref method 5.77 0.230 0.230 Masiero 2011ApJ...741...68M NEATM 6.09 0.970 0.970 Nugent 2016AJ....152...63N NEATM 7.74 1.870 1.870 Nugent 2016AJ....152...63N NEATM 9.00 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM