value unc_up unc_lo author ref method 0.197 0.0158 0.0158 Masiero 2011ApJ...741...68M NEATM 0.220 0.0600 0.0600 Masiero 2014ApJ...791..121M NEATM 0.296 0.0310 0.0310 Masiero 2012ApJ...759L...8M NEATM