value unc_up unc_lo author ref method 0.217 0.0515 0.0515 Masiero 2011ApJ...741...68M NEATM 0.230 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM 0.260 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM 0.265 0.0201 0.0201 Masiero 2011ApJ...741...68M NEATM