value unc_up unc_lo author ref method 4.93 0.140 0.140 Masiero 2012ApJ...759L...8M NEATM 5.38 1.400 1.400 Masiero 2020PSJ.....1....5M NEATM 5.79 1.900 1.900 Masiero 2020PSJ.....1....5M NEATM 6.17 0.062 0.062 Masiero 2011ApJ...741...68M NEATM