value unc_up unc_lo author ref method 0.041 0.0210 0.0410 Masiero 2021PSJ.....2..162M NEATM 0.051 0.0270 0.0570 Masiero 2021PSJ.....2..162M NEATM 0.128 0.0233 0.0233 Masiero 2011ApJ...741...68M NEATM