value unc_up unc_lo author ref method 3.92 0.810 0.810 Masiero 2020PSJ.....1....5M NEATM 4.24 1.030 1.030 Masiero 2021PSJ.....2..162M NEATM 4.60 1.200 1.200 Masiero 2012ApJ...759L...8M NEATM