value unc_up unc_lo author ref method 0.196 0.0376 0.0376 Masiero 2011ApJ...741...68M NEATM 0.250 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM 0.336 0.1160 0.1160 Masiero 2012ApJ...759L...8M NEATM