value unc_up unc_lo author ref method 10.31 1.650 1.650 Masiero 2012ApJ...759L...8M NEATM 11.45 2.560 2.560 Masiero 2020PSJ.....1....5M NEATM 12.07 0.183 0.183 Masiero 2011ApJ...741...68M NEATM