value unc_up unc_lo author ref method 0.057 0.0080 0.0080 Masiero 2012ApJ...759L...8M NEATM 0.060 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM 0.069 0.0170 0.0170 Masiero 2012ApJ...759L...8M NEATM 0.070 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM 0.109 0.0200 0.0200 Tedesco 2002AJ....123.1056T STM