value unc_up unc_lo author ref method 0.181 0.0241 0.0241 Masiero 2011ApJ...741...68M NEATM 0.280 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM 0.284 0.0580 0.0580 Masiero 2012ApJ...759L...8M NEATM