value unc_up unc_lo author ref method 0.127 0.0094 0.0094 Masiero 2011ApJ...741...68M NEATM 0.135 0.0180 0.0180 Masiero 2012ApJ...759L...8M NEATM 0.150 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM