value unc_up unc_lo author ref method 0.184 0.0263 0.0263 Masiero 2011ApJ...741...68M NEATM 0.210 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM 0.486 0.1330 0.1330 Masiero 2012ApJ...759L...8M NEATM