value unc_up unc_lo author ref method 0.029 0.0160 0.0380 Masiero 2021PSJ.....2..162M NEATM 0.032 0.0450 0.0450 Masiero 2020PSJ.....1....5M NEATM 0.033 0.0450 0.0450 Masiero 2020PSJ.....1....5M NEATM 0.038 0.0280 0.0280 Masiero 2020PSJ.....1....5M NEATM 0.041 0.0035 0.0035 Masiero 2011ApJ...741...68M NEATM