value unc_up unc_lo author ref method 0.040 0.0250 0.0250 Masiero 2020PSJ.....1....5M NEATM 0.066 0.0361 0.0361 Masiero 2017AJ....154..168M NEATM 0.067 0.0670 0.0670 Masiero 2020PSJ.....1....5M NEATM 0.077 0.0620 0.0620 Masiero 2012ApJ...759L...8M NEATM 0.119 0.0223 0.0223 Masiero 2011ApJ...741...68M NEATM