value unc_up unc_lo author ref method 10.68 2.780 2.780 Nugent 2016AJ....152...63N NEATM 11.15 0.310 0.310 Masiero 2012ApJ...759L...8M NEATM 8.00 0.060 0.060 Masiero 2014ApJ...791..121M NEATM 8.28 0.058 0.058 Masiero 2011ApJ...741...68M NEATM