value unc_up unc_lo author ref method 3.70 0.110 0.110 Masiero 2012ApJ...759L...8M NEATM 4.17 1.090 1.090 Masiero 2020PSJ.....1....5M NEATM 4.59 1.520 1.520 Masiero 2020PSJ.....1....5M NEATM