value unc_up unc_lo author ref method 0.162 0.0288 0.0288 Masiero 2011ApJ...741...68M NEATM 0.220 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM 0.436 0.0760 0.0760 Masiero 2012ApJ...759L...8M NEATM