value unc_up unc_lo author ref method 12.06 0.570 0.570 Masiero 2012ApJ...759L...8M NEATM 8.51 0.080 0.080 Masiero 2014ApJ...791..121M NEATM 9.07 0.153 0.153 Masiero 2011ApJ...741...68M NEATM