value unc_up unc_lo author ref method 0.223 0.0349 0.0349 Masiero 2011ApJ...741...68M NEATM 0.230 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM 0.250 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM 0.263 0.0522 0.0522 Masiero 2011ApJ...741...68M NEATM