value unc_up unc_lo author ref method 0.192 0.0374 0.0374 Masiero 2011ApJ...741...68M NEATM 0.210 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM 0.252 0.0250 0.0250 Masiero 2012ApJ...759L...8M NEATM