value unc_up unc_lo author ref method 0.281 0.0569 0.0569 Masiero 2011ApJ...741...68M NEATM 0.290 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM 0.361 0.0560 0.0560 Masiero 2012ApJ...759L...8M NEATM