value unc_up unc_lo author ref method 0.189 0.0240 0.0240 Masiero 2012ApJ...759L...8M NEATM 0.260 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM 0.340 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM