value unc_up unc_lo author ref method 10.71 3.626 3.626 Masiero 2017AJ....154..168M NEATM 11.13 0.280 0.280 Masiero 2012ApJ...759L...8M NEATM 9.44 3.210 3.210 Nugent 2016AJ....152...63N NEATM