value unc_up unc_lo author ref method 0.241 0.1200 0.1200 Masiero 2012ApJ...759L...8M NEATM 0.350 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM 0.356 0.0920 0.0920 Masiero 2011ApJ...741...68M NEATM