value unc_up unc_lo author ref method 0.147 0.0370 0.0370 Masiero 2012ApJ...759L...8M NEATM 0.199 0.0311 0.0311 Masiero 2011ApJ...741...68M NEATM 0.210 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM