value unc_up unc_lo author ref method 0.174 0.0290 0.0290 Masiero 2011ApJ...741...68M NEATM 0.190 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM 0.337 0.2530 0.2530 Masiero 2012ApJ...759L...8M NEATM