value unc_up unc_lo author ref method 0.281 0.0290 0.0290 Masiero 2012ApJ...759L...8M NEATM 0.290 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM 0.339 0.1620 0.1620 Masiero 2012ApJ...759L...8M NEATM