value unc_up unc_lo author ref method 5.36 1.250 1.250 Nugent 2016AJ....152...63N NEATM 5.74 0.560 0.560 Masiero 2012ApJ...759L...8M NEATM 6.30 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM