value unc_up unc_lo author ref method 0.037 0.0170 0.0310 Masiero 2021PSJ.....2..162M NEATM 0.057 0.0130 0.0130 Masiero 2012ApJ...759L...8M NEATM 0.083 0.0240 0.0240 Masiero 2011ApJ...741...68M NEATM