value unc_up unc_lo author ref method 0.191 0.0170 0.0170 Masiero 2011ApJ...741...68M NEATM 0.210 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM 0.251 0.0270 0.0270 Masiero 2012ApJ...759L...8M NEATM