value unc_up unc_lo author ref method 4.63 1.920 1.920 Masiero 2012ApJ...759L...8M NEATM 5.30 1.280 1.280 Masiero 2020PSJ.....1....5M NEATM 5.56 1.150 1.150 Masiero 2020PSJ.....1....5M NEATM