value unc_up unc_lo author ref method 0.189 0.0307 0.0307 Masiero 2011ApJ...741...68M NEATM 0.223 0.0340 0.0340 Masiero 2012ApJ...759L...8M NEATM 0.240 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM