value unc_up unc_lo author ref method 0.075 0.0140 0.0140 Mainzer 2011ApJ...743..156M NEATM 0.133 0.0220 0.0220 Mainzer 2011ApJ...743..156M NEATM 0.483 0.2169 0.2169 Masiero 2017AJ....154..168M NEATM