value unc_up unc_lo author ref method 0.163 0.0359 0.0359 Masiero 2011ApJ...741...68M NEATM 0.170 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM 0.190 0.0420 0.0420 Masiero 2012ApJ...759L...8M NEATM