value unc_up unc_lo author ref method 0.150 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM 0.234 0.0232 0.0232 Masiero 2011ApJ...741...68M NEATM 0.240 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM