value unc_up unc_lo author ref method 0.172 0.0182 0.0182 Masiero 2011ApJ...741...68M NEATM 0.190 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM 0.241 0.0180 0.0180 Masiero 2012ApJ...759L...8M NEATM