value unc_up unc_lo author ref method 0.295 0.0580 0.0580 Masiero 2011ApJ...741...68M NEATM 0.330 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM 0.340 0.1500 0.1500 Nugent 2016AJ....152...63N NEATM