value unc_up unc_lo author ref method 0.124 0.0643 0.0643 Masiero 2017AJ....154..168M NEATM 0.186 0.0083 0.0083 Masiero 2011ApJ...741...68M NEATM 0.240 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM 0.250 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM