value unc_up unc_lo author ref method 12.58 4.249 4.249 Masiero 2017AJ....154..168M NEATM 12.68 5.028 5.028 Masiero 2017AJ....154..168M NEATM 12.74 0.710 0.710 Masiero 2012ApJ...759L...8M NEATM 14.43 5.060 5.060 Nugent 2016AJ....152...63N NEATM