value unc_up unc_lo author ref method 8.62 1.310 1.310 Nugent 2016AJ....152...63N NEATM 9.01 0.250 0.250 Masiero 2012ApJ...759L...8M NEATM 9.13 0.140 0.140 Masiero 2014ApJ...791..121M NEATM 9.59 0.090 0.090 Masiero 2011ApJ...741...68M NEATM