value unc_up unc_lo author ref method 0.080 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM 0.080 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM 0.112 0.0430 0.0430 Masiero 2012ApJ...759L...8M NEATM