value unc_up unc_lo author ref method 0.039 0.0320 0.0320 Masiero 2020PSJ.....1....5M NEATM 0.045 0.0560 0.0560 Masiero 2020PSJ.....1....5M NEATM 0.046 0.0210 0.0210 Masiero 2012ApJ...759L...8M NEATM 0.049 0.0032 0.0032 Masiero 2011ApJ...741...68M NEATM