value unc_up unc_lo author ref method 0.030 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM 0.063 0.1090 0.1090 Masiero 2012ApJ...759L...8M NEATM 0.084 0.0103 0.0103 Masiero 2011ApJ...741...68M NEATM