value unc_up unc_lo author ref method 7.15 1.750 1.750 Masiero 2020PSJ.....1....5M NEATM 7.31 1.560 1.560 Masiero 2020PSJ.....1....5M NEATM 7.76 1.070 1.070 Masiero 2012ApJ...759L...8M NEATM