value unc_up unc_lo author ref method 0.036 0.0190 0.0410 Masiero 2021PSJ.....2..162M NEATM 0.065 0.0360 0.0360 Masiero 2020PSJ.....1....5M NEATM 0.065 0.0470 0.0470 Masiero 2020PSJ.....1....5M NEATM 0.066 0.0114 0.0114 Masiero 2011ApJ...741...68M NEATM