value unc_up unc_lo author ref method 2.49 0.610 0.610 Masiero 2021PSJ.....2..162M NEATM 2.63 0.040 0.040 Masiero 2011ApJ...741...68M NEATM 2.66 0.580 0.580 Masiero 2021PSJ.....2..162M NEATM