value unc_up unc_lo author ref method 0.213 0.0373 0.0373 Masiero 2011ApJ...741...68M NEATM 0.300 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM 0.307 0.0390 0.0390 Masiero 2012ApJ...759L...8M NEATM