value unc_up unc_lo author ref method 0.73 0.020 0.020 Nugent 2016AJ....152...63N NEATM 0.93 0.153 0.153 Mainzer 2011ApJ...743..156M NEATM 0.95 0.417 0.417 Masiero 2011ApJ...741...68M NEATM