value unc_up unc_lo author ref method 0.190 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM 0.233 0.0369 0.0369 Masiero 2011ApJ...741...68M NEATM 0.286 0.0450 0.0450 Masiero 2012ApJ...759L...8M NEATM