value unc_up unc_lo author ref method 5.82 0.950 0.950 Nugent 2016AJ....152...63N NEATM 6.21 0.100 0.100 Masiero 2012ApJ...759L...8M NEATM 6.46 0.130 0.130 Masiero 2014ApJ...791..121M NEATM 6.92 0.094 0.094 Masiero 2011ApJ...741...68M NEATM