value unc_up unc_lo author ref method 0.063 0.0270 0.0270 Masiero 2012ApJ...759L...8M NEATM 0.064 0.0520 0.0520 Masiero 2020PSJ.....1....5M NEATM 0.090 0.0820 0.0820 Masiero 2020PSJ.....1....5M NEATM