value unc_up unc_lo author ref method 5.15 0.089 0.089 Masiero 2011ApJ...741...68M NEATM 5.51 1.460 1.460 Masiero 2020PSJ.....1....5M NEATM 5.95 1.480 1.480 Masiero 2012ApJ...759L...8M NEATM 6.04 2.040 2.040 Masiero 2020PSJ.....1....5M NEATM