value unc_up unc_lo author ref method 0.020 0.0090 0.0150 Masiero 2021PSJ.....2..162M NEATM 0.022 0.0090 0.0150 Masiero 2021PSJ.....2..162M NEATM 0.025 0.0130 0.0270 Masiero 2021PSJ.....2..162M NEATM 0.040 0.0170 0.0170 Masiero 2012ApJ...759L...8M NEATM 0.059 0.0104 0.0104 Masiero 2011ApJ...741...68M NEATM