value unc_up unc_lo author ref method 0.026 0.5000 0.5000 Mainzer 2014ApJ...792...30M NEATM 0.181 0.1790 0.1790 Masiero 2020PSJ.....1....5M NEATM 0.262 0.0470 0.0470 Mainzer 2011ApJ...743..156M NEATM