value unc_up unc_lo author ref method 3.91 1.100 1.100 Masiero 2020PSJ.....1....5M NEATM 4.85 0.720 0.720 Masiero 2012ApJ...759L...8M NEATM 5.28 0.136 0.136 Masiero 2011ApJ...741...68M NEATM