value unc_up unc_lo author ref method 12.28 4.060 4.060 Nugent 2016AJ....152...63N NEATM 12.33 0.045 0.045 Masiero 2011ApJ...741...68M NEATM 12.78 3.720 3.720 Nugent 2016AJ....152...63N NEATM 13.91 0.530 0.530 Masiero 2012ApJ...759L...8M NEATM