value unc_up unc_lo author ref method 0.090 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM 0.146 0.0210 0.0210 Tedesco 2002AJ....123.1056T STM 0.161 0.0177 0.0177 Masiero 2011ApJ...741...68M NEATM 0.220 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM