value unc_up unc_lo author ref method 0.063 0.0118 0.0118 Masiero 2011ApJ...741...68M NEATM 0.090 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM 0.100 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM 0.103 0.0540 0.0540 Masiero 2012ApJ...759L...8M NEATM