value unc_up unc_lo author ref method 0.036 0.0170 0.0330 Masiero 2021PSJ.....2..162M NEATM 0.044 0.0150 0.0220 Masiero 2021PSJ.....2..162M NEATM 0.070 0.0340 0.0340 Masiero 2012ApJ...759L...8M NEATM