value unc_up unc_lo author ref method 0.122 0.0350 0.0350 Masiero 2012ApJ...759L...8M NEATM 0.214 0.1188 0.1188 Masiero 2011ApJ...741...68M NEATM 0.226 0.0685 0.0685 Masiero 2011ApJ...741...68M NEATM