value unc_up unc_lo author ref method 4.48 0.830 0.830 Nugent 2016AJ....152...63N NEATM 5.42 0.120 0.120 Masiero 2012ApJ...759L...8M NEATM 5.65 0.094 0.094 Masiero 2011ApJ...741...68M NEATM