value unc_up unc_lo author ref method 26.66 9.734 9.734 Mainzer 2012ApJ...760L..12M NEATM 26.89 12.580 12.580 Masiero 2020PSJ.....1....5M NEATM 49.02 31.660 31.660 Masiero 2021PSJ.....2..162M NEATM